Управление питанием
Подкатегории
Товары (2819)
TPS652170RSLT - PMIC for AM335x w/ 3 DC/DCs, 4 LDOs, Charger | TI
The Texas Instruments TPS652170RSLT is a single-chip, user-programmable power management IC (PMIC) designed to power the AM335x ARM Cortex-A8 processor in portable and 5-V line-powered applications. The device integrates three step-down converters (DC/DCs), four low-dropout (LDO) regulators, a linear single-cell Li-ion/Li-polymer battery charger, a dual-input power path, and an LED driver inside a 48-pin VQFN (RSL) 6x6 mm package. A PMIC (Power Management Integrated Circuit) is a category of voltage regulator and battery management IC that consolidates multiple power rails, sequencing logic, monitoring, and protection into one device. PMICs sit in the power management hierarchy between the system battery or adapter and the application processor, providing tightly coordinated, compact, and efficient power for SoCs (system-on-chip), FPGAs, and microcontrollers. The TPS652170's three step-down converters each deliver up to 1.5 A continuous output current at output voltages programmable from 0.6 V to VIN, supporting the AM335x core, DDR memory, and I/O rails. The four LDOs cover analog, PLL, and housekeeping supplies, while the integrated linear charger supports single-cell Li-ion/Li-polymer packs with thermal regulation and JEITA-style protection. A high-efficiency boost converter is also integrated to supply LED strings or auxiliary rails. The user-programmable NVM (non-volatile memory) configuration via I2C lets the design engineer define default output voltages, sequencing, and protection thresholds. Typical applications include AM335x-based Sitara industrial HMI panels, portable data terminals, IoT gateways, e-readers, point-of-sale terminals, and any portable or 5-V line-powered product that requires a compact, multi-rail power solution with battery charging. When designing with this device, allocate sufficient PCB copper under the exposed thermal pad (EP) for heat spreading; the VQFN-48 RSL package uses the EP as the primary thermal path. Observe the I2C address selection (0x24 / 0x25) and the GPIO sequencing pins for multi-PMIC coordination. This page synthesizes TI datasheet specifications, distributor pricing, drop-in package-compatible alternatives, and practical design notes not aggregated elsewhere.
TPS65217CRSLR - Single-Chip PMIC for AM335x ARM Cortex-A8 | Texas Instruments
The Texas Instruments TPS65217CRSLR is a single-chip power management IC (PMIC) specifically designed to power the AM335x ARM Cortex-A8 microprocessor in portable and 5-V line-powered applications, integrating 3 step-down DC/DC converters, 4 low-dropout (LDO) regulators, a linear Li-ion/Li-polymer battery charger, dual-input power path management, and a high-efficiency white-LED boost driver, all in a 48-pin VQFN (RSL) 6x6 mm package with 0.4 mm pitch. The device operates over an ambient temperature range of -40C to +105C, supports an input voltage up to 5.5 V from USB, AC adapters, or battery sources, and provides sequenced power rails with I2C control and status indication. The RSL suffix denotes the 48-pin leadless package, while the production-grade operating range and feature set make the part well suited to industrial handheld designs, point-of-sale terminals, and consumer mobile devices based on the TI Sitara AM335x platform. A PMIC (Power Management Integrated Circuit) is a single silicon device that consolidates multiple voltage regulators, battery management functions, and often ancillary drivers (LED, USB, RTC) into one package. Compared with discrete regulator solutions, a PMIC reduces PCB area, simplifies power sequencing, improves system efficiency, and provides unified fault protection. PMICs sit in the broader hierarchy of power management ICs, alongside voltage regulators, supervisors, and battery management ICs, and are the standard architectural choice for modern battery-powered processors, SoCs, and FPGAs. Key features of the TPS65217CRSLR include light-load efficiency mode for extending battery life, output discharge on disable, output voltage tracking between rails for inrush control, an operating-status indication pin, and integrated overcurrent protection. Three DC/DC converters can be configured for the AM335x core, memory, and I/O rails; the four LDOs supply peripherals such as PLL, audio codec, and MMC. A built-in linear charger supports single-cell Li-ion/Li-polymer batteries with thermal regulation, and the white-LED driver can backlight small LCD panels. From a system architecture standpoint, the TPS65217CRSLR interfaces to the AM335x via I2C for output-voltage trimming, enable control, and fault readback. Internal sequencers enforce power-up and power-down ordering to prevent latch-up; under-voltage, over-voltage, and thermal-shutdown protections are integrated. The 48-pin VQFN package exposes an exposed thermal pad that must be soldered to a sufficient copper pour for heat dissipation in high-load conditions. Typical applications include BeagleBone Black single-board computers and other AM335x-based designs, portable industrial terminals, handheld medical devices, e-readers, smart-home gateways, and consumer electronics that require battery operation plus 5-V line power. Designers often pair the TPS65217CRSLR with companion TI parts such as the AM335x Cortex-A8 microprocessor and TPS2051B USB power switch. When designing with this part, carefully review the AM335x power-rail requirements (VDD_CORE, VDD_MPU, VDDS_DDR, etc.) and configure the DC/DCs and LDOs accordingly. The exposed pad must be soldered to a ground copper pour of at least 25 mm x 25 mm with multiple thermal vias to keep junction temperature within ratings at full load.
TPS65217CRSLT - Single-Chip PMIC for AM335x | Texas Instruments
The Texas Instruments TPS65217CRSLT is a single-chip Power Management IC (PMIC) that integrates three step-down DC/DC converters, four low-dropout (LDO) regulators, a linear Li-ion/Li-polymer battery charger, a dual-input power path (USB/AC), and a white LED boost driver in a 48-pin VQFN (6x6 mm) package. It is specifically designed to power the AM335x ARM Cortex-A8 application processor in portable and 5-V line-powered systems, and operates from an input range of 4.3 V to 5.8 V with 2.25 MHz switching frequency. A PMIC (Power Management Integrated Circuit) is a highly integrated device that consolidates multiple voltage rails, charging, sequencing, and supervisory functions into a single silicon die. In the system hierarchy, it sits between the input power source (battery or wall adapter) and the application processor, replacing what would otherwise be 5-10 discrete regulators. PMICs are essential in space-constrained portable designs such as tablets, handhelds, and embedded modules where board area, BOM count, and power-sequencing reliability are critical design constraints. The TPS65217CRSLT supports 2-A output current on the linear charger power path with a 700-mA maximum charge current, 20-V tolerant USB and AC inputs, and an 1800-mA current limit option on the USB input. Thermal regulation, dynamic power-path management, and integrated power-good signaling simplify host-side firmware. The high-frequency 2.25-MHz switching converters enable the use of small 1-uH inductors and 0402/0603 ceramic capacitors, reducing total PCB footprint. Architecturally, the device combines hysteretic and PWM buck controllers for high efficiency across load, low-Iq LDOs for always-on rails, and a current-mode linear charger with JEITA-style thermal regulation. The integrated boost converter drives white LEDs for display backlighting with software-controllable brightness. According to the TI datasheet PDF, the TPS65217x family is shipped in a 48-pin leadless 6-mm x 6-mm VQFN package with 0.4-mm pitch, and is qualified for industrial temperature ranges. Typical applications include AM335x-based Sitara processor boards (BeagleBone Black, industrial HMI panels), portable medical data-acquisition tablets, handheld barcode scanners, e-readers, and ruggedized 5-V point-of-sale terminals. The wide 4.3-5.8-V input range makes it directly compatible with USB 2.0/3.0 VBUS rails, single-cell Li-ion batteries, and 5-V regulated adapters without additional front-end conditioning. When designing with the TPS65217CRSLT, place the input bulk capacitors as close as possible to the PVIN and PGND pins to minimize parasitic inductance. Use a 4-layer PCB with a dedicated ground plane for best thermal performance at 2-A charging current. Refer to the TI TPS65217EVM evaluation module schematic for reference layout, recommended inductor selection, and proper power-good pull-up configuration. This page synthesizes distributor pricing, AM335x-focused drop-in alternatives, and PCB layout notes drawn from TI reference designs - engineering context not aggregated on any single manufacturer page.
TPS6521855 - 7-Output PMIC for AM64x | Texas Instruments
The Texas Instruments TPS6521855 is a single-chip Power Management IC (PMIC) specifically designed to support the AM64x line of Sitara Arm Cortex-A53 processors. It delivers seven regulated output rails in a 48-pin VQFN (6x6 mm) surface-mount package and supports both portable Li-Ion battery and nonportable 5V adapter input topologies. The device is characterized across a -40C to +105C industrial temperature range. A Power Management IC (PMIC) is a highly integrated device that consolidates multiple power conversion functions - DC-DC converters, LDO regulators, power sequencing, voltage monitoring, and protection - into one package. In processor-based systems, the PMIC sits between the power source and the SoC's multiple voltage domains, translating a battery or adapter input into the core, memory, I/O, and auxiliary rails. Within the system hierarchy, a PMIC belongs to the power management IC family, and its role is to provide reliable, sequence-correct power delivery at every boot and operating state. Key features include seven integrated output channels, factory pre-programmed default register settings matched to the AM64x power-up sequence, and an input voltage range of 2.2V to 5.5V with output voltages configurable from 0.85V to 3.4V at up to 1.8A per the distributor-listed output current. The factory configuration reduces firmware bring-up effort because the device starts with AM64x-compatible settings without external programming. From an architecture perspective, the TPS6521855 is closely related to the TPS6521815 in the TPS65218 family. According to a TI E2E power-management forum discussion, TPS6521815 and TPS6521855 are pin-to-pin compatible devices sharing the same programming steps; the TPS6521855 ships pre-programmed for AM64x, while the TPS6521815 is configured via register programming for custom sequencing. Typical applications include industrial PLCs and factory automation controllers, portable battery-powered instruments, IoT edge gateways, robotics and motion-control boards, and test-and-measurement instrumentation. In each case, the AM64x multi-rail power requirements are met by a single 48-VQFN PMIC, reducing BOM count and board area. When designing, verify the input source configuration (Li-Ion vs 5V adapter) and place adequate input and output capacitance close to the package. If sequencing different from factory defaults is required, select the TPS6521815 and program the register map accordingly.
TPS65218B1PHPR - 7-Output PMIC for ARM Cortex-A8/A9 SoC | TI
The Texas Instruments TPS65218B1PHPR is a power management IC (PMIC) designed for ARM Cortex-A8/A9 SoCs and FPGAs, integrating 7 regulator outputs in a 48-pin HTQFP (7x7) package with exposed thermal pad. It operates from a 2.7V to 5.5V input supply and supports a -40C to +105C industrial temperature range, making it suitable for embedded computing platforms with multiple voltage domains. A PMIC (Power Management IC) is a highly-integrated device that consolidates multiple DC-DC converters, LDOs, and supervisory functions into a single package. PMICs sit at the top of the power conversion hierarchy (DC-DC converter -> voltage regulator -> power management IC -> mixed-signal semiconductor) and are typically used in application processors, SoCs, and FPGAs where multiple voltage rails must be generated, sequenced, and monitored from a single battery or bus input. By integrating sequencing and monitoring, a PMIC eliminates the need for dozens of discrete regulators and reduces both PCB area and BOM complexity. Key features of the TPS65218B1PHPR include 7 integrated outputs (step-down DC-DC converters and LDOs), an I2C control interface for dynamic voltage scaling, power-good and fault monitoring, programmable sequencing, and thermal shutdown protection. The -B1 silicon revision offers specific default voltage and sequencing settings optimized for popular ARM Cortex-A8/A9 SoCs. Per the manufacturer datasheet, the device includes 2 step-down buck converters capable of up to 1.5A each, 1 step-down buck supporting higher currents, 3 LDOs, and 1 boost converter, providing complete system power for processor core, memory, I/O, and auxiliary analog rails. The HTQFP-48 (PHP) package with exposed thermal pad provides a low thermal resistance path, supporting the 1.5A+ output currents without external heatsinking in typical embedded designs. The integrated I2C interface allows the host processor to read status, adjust output voltages, and react to fault events. Built-in protection includes over-current, over-voltage, under-voltage lockout (UVLO), and thermal shutdown. Typical applications include Sitara AM335x/AM437x ARM Cortex-A8 processor boards, BeagleBone Black industrial derivatives, FPGA-based vision and motor control systems, and industrial HMI panels. The wide 2.7V-5.5V input range allows direct operation from single-cell Li-ion, USB, or 3.3V/5V system rails. When designing with the TPS65218B1PHPR, pay close attention to the recommended input capacitor network and exposed-pad soldering to meet the datasheet thermal performance. Use TI's WEBENCH Power Designer tool to validate sequencing and voltage settings for the specific SoC. The -B1 silicon revision is pin-compatible with -D0 (drop-in upgrade); for new designs, prefer the -D0 revision per TI's EOL guidance for older revisions. This page synthesizes distributor pricing, drop-in alternatives (including the pin-compatible TPS65218D0PHPR upgrade), and practical design notes not consolidated in the manufacturer datasheet.
TPS65218B1PHPT - ARM Cortex PMIC, 7-Output HTQFP-48 | Texas Instruments
The Texas Instruments TPS65218B1PHPT is a single-chip Power Management IC (PMIC) for ARM Cortex-A8/A9 SoCs and FPGAs, integrating seven regulated outputs in a 48-pin HTQFP (7x7 mm) package with an exposed thermal pad. It supports an input voltage range of 2.7 V to 5.5 V from a single-cell Li-Ion battery or 3.3 V/5 V system rail, and provides dedicated rails for the application processor core, memory, I/O, and auxiliary peripherals while handling all sequencing, voltage-scaling, and current-limit requirements. What is a PMIC? A Power Management Integrated Circuit is a mixed-signal IC that consolidates multiple DC-DC converters, low-dropout regulators, sequencers, and supervisory functions into one package. PMICs sit at the top of the power-tree hierarchy (PMIC -> multi-rail regulator -> voltage regulator -> power management IC -> semiconductor) and replace a discrete collection of buck converters and LDOs with one configurable, processor-aware device, which is essential for compact, power-efficient embedded designs. Key features include three step-down DC-DC converters, four LDO regulators, an integrated sequencer, dynamic voltage scaling (DVS) support, and a host interface via I2C. The IC accepts pre-configured settings from on-chip EEPROM and offers up to 89.5% peak efficiency on the buck channels. The HTQFP-48 exposed-pad package provides a low thermal resistance path for dissipating multi-channel heat. The B1 suffix denotes a specific firmware configuration for a defined set of default output voltages and default enable sequencing. The TPS65218B1PHPT uses a peak-current-mode buck architecture with internal compensation, simplifying PCB layout by removing most external compensation components. Each LDO rail is supplied from one of the buck outputs to minimize switching noise on sensitive loads, and the part is designed to handle cold-crank transients seen in 12 V automotive systems stepped down to 5 V. The PMIC also includes thermal shutdown, input undervoltage lockout, and short-circuit protection on every rail. Typical applications include single-board computers using Sitara AM335x/AM437x processors, Sitara AM57xx SoCs, industrial HMI panels, portable medical devices, and FPGA-based vision or motor-control cards. Its seven-rail configurability and processor-aware sequencing make it a fit where a discrete power tree would inflate BOM cost and PCB area. When designing with this device, start by selecting the firmware-defined default voltages (TPS65218B1 ships pre-programmed for a specific processor profile) and confirm that all seven output setpoints match your SoC and memory requirements. Use the exposed pad as the primary thermal path and provide at least 25 mm² of copper pour beneath the package. This page consolidates distributor pricing, same- and cross-brand drop-in alternatives, and design notes that extend beyond a typical manufacturer datasheet summary, helping BOM managers and hardware engineers evaluate second sources and assess thermal performance.
TPS65218CRSLR - 7-CH PMIC for ARM Cortex-A8/A9 SoCs | Texas Instruments
The Texas Instruments TPS65218CRSLR is a single-chip Power Management IC (PMIC) designed for ARM Cortex-A8/A9 SoCs, FPGAs, and the Sitara AM437x processor family. It integrates 7 regulator rails and system management functions into a 48-pin VQFN (RSL) 6x6 mm package, supporting both portable (Li-Ion battery) and non-portable (5 V adapter) applications. The IC combines two step-down DC/DC converters, an LDO, a battery backup domain with low quiescent current, and multiple GPIOs in one die. What is a PMIC? A Power Management Integrated Circuit (PMIC) is a single IC that integrates multiple voltage regulators (DC, LD, buck, boost), battery chargers, and supervisory functions previously spread across discrete components. PMICs sit between a raw input source (battery, adapter, bus) and the digital SoC rails (core, IO, memory, analog), reducing BOM count, board area, and power-sequencing complexity. The TPS65218 belongs to the voltage regulator / power management IC hierarchy and is purpose-built for TI Sitara processors and ARM Cortex-A class SoCs. Key features of the TPS65218CRSLR include 3 step-down DC/DC converters (DCDC1-3) with output currents up to 1.5 A, 4 LDOs (LDO1-4) with low quiescent current, two enable-control LDOs for power sequencing, integrated power-good and reset logic, a backup-battery charging circuit, and thermal shutdown. The IC supports an input voltage range up to ~5.5 V (5 V adapter) or Li-Ion battery (2.5-4.2 V) and provides dynamic voltage scaling on DCDC rails to optimize processor power consumption. The architecture uses TI's proprietary Eco-mode light-load scheme on the buck converters, achieving high efficiency across the full load range. The 48-pin VQFN package has an exposed thermal pad (theta_JA ~30 C/W) supporting the higher combined output power typical of multi-rail processor PMICs. I2C control of output voltage and sequencing is provided for select TPS65218 variants (consult datasheet for the specific device variant mapping). Typical applications include Sitara AM437x/AM335x/AM43xx processor systems, BeagleBone Black single-board computers, portable industrial handhelds, factory automation HMI panels, and FPGA-based embedded platforms. The IC is also widely used in 5V-powered industrial IoT gateways and ARM-based fan-less embedded systems. When designing with this PMIC, follow the manufacturer's recommended decoupling capacitor network (1uF and 10uF ceramic + bulk) and ensure proper PCB layout to keep buck-switching loops small. The reset/PGOOD signal must be routed to the processor's reset input to guarantee deterministic boot-up. Thermal copper pour under the exposed pad is required for high-load scenarios. This page synthesizes pricing, drop-in alternatives, and practical design considerations that are not aggregated in any single manufacturer datasheet, providing a faster selection reference for engineers choosing a PMIC for ARM Cortex-A class designs.
TPS65219CRSLR - ARM Cortex-A53 PMIC, 3 BUCK + 4 LDO | TI
The Texas Instruments TPS65219CRSLR is an integrated power management IC (PMIC) designed to supply a wide range of SoCs, including Arm Cortex-A53 processors and FPGAs, in portable and stationary applications. The device combines three synchronous step-down DC-DC converters and four linear regulators (LDOs) in a single 48-pin VQFN (RSL) package with an exposed thermal pad, providing a complete power tree for industrial applications characterized across an ambient temperature range of -40C to +105C. What is a PMIC? A Power Management IC (PMIC) is a highly integrated device that consolidates multiple voltage regulators (typically buck converters and LDOs) into a single silicon die. The PMIC sits hierarchically above individual voltage regulators in the power-distribution tree of an SoC, sitting between the battery or DC bus and the core, memory, and I/O rails of the processor. By integrating sequencing, monitoring, and protection, a PMIC reduces PCB area, simplifies BOM, and improves reliability compared to discrete regulator designs. Key features of the TPS65219CRSLR include wide input voltage support, dynamic voltage scaling for adaptive energy saving, I2C-configurable output voltages, and integrated protection such as over-current, over-temperature, and under-voltage lockout. The device supports power-button input, reset output, and a dedicated processor interface, making it suitable for plug-and-play power tree designs with TI Sitara AM62x / AM62Ax family processors. The architecture uses three synchronous buck converters with internal MOSFETs to deliver high efficiency across light and heavy load conditions, complemented by four low-dropout regulators for analog and auxiliary rails. Built-in sequencing logic coordinates rail startup and shutdown to match SoC requirements, while an I2C interface enables software control of output voltages and operating modes. Typical applications include building automation, factory automation and control, industrial HMI panels, handheld terminals, and FPGA-based embedded vision systems. The compact VQFN-48 (RSL) package and industrial temperature range (-40C to +105C) make the TPS65219CRSLR especially well-suited to ruggedized embedded applications requiring high integration. When designing with this PMIC, follow the manufacturer reference layout in the datasheet and ensure the exposed thermal pad is soldered to a sufficient copper pour for thermal dissipation. Decoupling capacitors must be placed close to each buck/ldo output pin per the datasheet application circuit to ensure loop stability. This page synthesizes verified distributor pricing, drop-in pin-compatible alternatives, and practical design notes that complement the official manufacturer datasheet, helping engineers evaluate sourcing, second-source, and PCB-layout decisions for the TPS65219 family.
TPS65220CRSLR - 2.5-5.5V PMIC, 3 Buck + 4 LDO | TI
The Texas Instruments TPS65220CRSLR is an integrated Power Management IC (PMIC) designed to supply a wide range of SoCs in portable and stationary automotive applications, including ARM Cortex-A53 processors and FPGAs. It operates from a 2.5 V to 5.5 V input voltage range, integrating three synchronous step-down DC-DC converters and four low-dropout (LDO) linear regulators in a 48-pin VQFN (RSL) package measuring 6 mm x 6 mm. Key features include three synchronous buck converters with internal MOSFETs, four LDOs that can be used as post-regulation stages or independent supplies, and a wide -40C to +125C ambient operating temperature range for automotive-grade reliability. The PMIC integrates a sequencer, I2C interface for dynamic voltage scaling, and power-good indicators to coordinate multi-rail system startup. As a PMIC, this device belongs to the broader category of power management ICs that consolidate multiple regulators, supervisors, and control logic into a single chip. PMICs replace discrete regulator designs to reduce board area, BOM count, and design complexity in multi-rail SoC systems. They typically include factory-programmed default voltages, fault protection, and sequencing logic optimized for a specific processor family. The TPS65220 is characterized across -40C to +125C ambient, making it an excellent choice for industrial and automotive applications. The three synchronous step-down DC-DC converters share an internal compensation network, while the four LDOs provide low-noise rails for analog or memory subsystems. A built-in I2C interface allows the host processor to adjust output voltages, enable or disable rails, and read status flags. Typical applications include Sitara AM64x and AM243x processor power rails, ARM Cortex-A53 SoC boards, FPGA-based industrial control modules, vision processors, and infotainment head units. The 2.2 MHz switching frequency (typical for the buck channels) enables small external inductors and capacitors, helping meet tight PCB area constraints. When designing with this device, ensure that the input bulk capacitor handles the worst-case buck inrush current and that the thermal pad is soldered to a sufficient copper pour. Because each output rail has programmable default voltages set by factory NVM, confirm the exact NVM configuration of the TPS65220CRSLR suffix against your SoC power-up sequence. This page synthesizes distributor pricing, parametric alternatives, and design notes drawn from the TI datasheet, providing practical guidance not consolidated in the manufacturer product page.
TPS65221CRSLR - 5.5V PMIC, 4 BUCK + 3 LDO | Texas Instruments
The Texas Instruments TPS65221CRSLR is a 5.5V automotive-grade Power Management IC (PMIC) integrating four step-down DC/DC (BUCK) converters and three LDOs into a single 48-pin VQFN (6x6 mm) package, designed to meet the power requirements of ADAS processors up to ASIL-B functional safety. The device operates across an input range up to 5.5V and supports the sequenced multi-rail power architectures required by modern safety-relevant automotive processors. A PMIC (Power Management IC) is a highly integrated device that consolidates multiple voltage regulators - typically buck converters, LDOs, and supervisory functions - into one package. Compared with discrete regulator designs, a PMIC reduces PCB footprint, simplifies sequencing, and provides built-in fault protection. PMICs belong to the broader category of power management semiconductors, sitting between discrete voltage regulators and full system-on-chip (SoC) power subsystems. The TPS65221CRSLR family targets processor power trees in automotive and industrial safety applications. Key features include four synchronous buck converters with adjustable output voltages, three low-dropout LDOs, I2C-compatible interface for dynamic voltage scaling and fault reporting, and full AEC-Q100 qualification for automotive use. The integrated sequencer enables deterministic power-up and power-down orderings required by SoCs that mandate strict rail sequencing to prevent latch-up. The device is characterized across -40C to +125C ambient temperature. Architecturally, the TPS65221 integrates high-side and low-side FETs in each buck converter, eliminating the need for external power switches and shrinking the total solution footprint. The wide VIN range and configurable switching frequency allow designers to balance efficiency against EMI in dense automotive PCB layouts. Built-in protection includes over-current, over-voltage, under-voltage lockout, and thermal shutdown, supporting ISO 26262 functional-safety analysis at the system level. Typical applications include ADAS camera modules, radar sensor front-ends, automotive surround-view ECUs, body and chassis controllers, and industrial safety PLCs. The integration density makes it well suited to space-constrained modules where four discrete regulators plus three LDO controllers would consume too much board area. When designing with the TPS65221CRSLR, follow TI's recommended input capacitor network and use the exposed pad as the primary thermal path. Always verify the sequencing timing against the target SoC's power-up requirements. Designers should also confirm the latest firmware/configuration compatibility via the TPS65221 configuration tool before finalizing BOM selection. This page consolidates distributor pricing for the TPS65221CRSLR, AEC-Q100 same-family drop-in alternatives, and PCB layout notes that complement the manufacturer datasheet to accelerate your automotive PMIC design.
TPS65381A-Q1 - 5-Output Safety PMIC 4.5-40V | Texas Instruments
The Texas Instruments TPS65381A-Q1 is a multi-rail power supply (PMIC) designed to supply microcontrollers (MCUs) in safety-relevant applications in automotive and industrial markets. It integrates a buck converter with integrated FETs and four LDOs, delivering five regulated outputs from a single 4.5V to 40V input, all in a 32-pin HTSSOP PowerPAD (DAP) package. A PMIC (Power Management IC) is a specialized voltage regulator subsystem that consolidates multiple power rails - buck converters and LDOs - into one device. In the power-management hierarchy, the TPS65381A-Q1 sits above single-channel regulators and below full battery-management systems, purpose-built as an MCU power companion for functional-safety systems. Key strengths include the wide 4.5V to 40V input range that directly tolerates automotive 12V battery transients, five simultaneous regulated rails eliminating a discrete multi-IC power tree, AEC-Q100 qualification for automotive environments, and SPI-configurable supervision supporting safety mechanisms such as voltage monitoring and diagnostics. The device supports TI Hercules TMS570 and C2000 MCU families as well as dual-core lockstep (LS) and loosely-coupled (LC) MCU architectures. Architecturally, the integrated step-down converter generates the primary MCU core rail while the LDOs supply I/O, analog, and CAN/transceiver rails with low-noise, high-PSRR performance. Built-in power-up sequencing, windowed voltage supervision, and fault reporting reduce external component count and simplify ISO 26262-oriented system designs. According to TI datasheet documentation (120 pages), the register map is SPI-accessible for runtime configuration. Typical applications include automotive ADAS domain controllers, electric power steering, gateway modules, and industrial functional-safety controllers built on dual-core lockstep MCUs. Design consideration: TI states no pin-to-pin compatible replacements exist for this part, so second-source strategy must be architectural rather than drop-in. Verify SPI register configuration and sequencing timing against your MCU power requirements during layout.
TPS65386x-Q1 - Multirail Power Supply for Automotive PMIC
The TPS65386x-Q1 is a multirail power management IC (PMIC) designed by Texas Instruments for safety-relevant automotive applications. It supplies multiple regulated voltage rails to microcontrollers, sensors, transceivers, and peripherals. The device is housed in a 48-pin HTSSOP PowerPAD package and is AEC-Q100 qualified. What is a multirail power supply? A multirail power supply IC, or system basis chip (SBC), provides several regulated rails (e.g., 5V, 3.3V, 1.2V) and often includes monitoring, wake-up, and safety features. In automotive systems, such ICs power the main MCU and its associated analog and digital peripherals, ensuring stable operation under wide temperature and voltage variations. The TPS65386x-Q1 belongs to the power management IC hierarchy: PMIC -> system basis chip -> power supply. Key features include a Power Good output (PGOOD) for rail monitoring, two configurable wake-up pins (WAKEx) for wake from external sources, integrated rotation-counter wake-up, and a low-power timer-based wake-up. These features enable low-power modes and fast transitions. The device is designed to meet automotive safety requirements, making it suitable for ECUs, ADAS modules, and body control units. Its integrated protections and monitoring functions reduce external component count while maintaining safety integrity. Typical applications include automotive engine control, transmission control, battery management, and central gateway modules. The TPS65386x-Q1 is also compatible with new-generation TI MCUs, allowing reference designs with TI's safety-relevant microcontrollers. When designing with this device, careful attention must be paid to the PCB layout for thermal management, as the PowerPAD package requires proper soldering and copper pour to dissipate heat. The wake-up pins should be connected to appropriate sources to ensure robust wake functionality. For dynamic power management, the PGOOD signal can be used to enable downstream loads, ensuring proper sequencing.
TPS6594-Q1 - 5 BUCK 4 LDO ASIL-D PMIC | TI | ADAS
The Texas Instruments TPS6594-Q1 is an automotive-grade Power Management IC (PMIC) designed as a companion power device for safety-relevant processors. It integrates four flexible multi-phase configurable BUCK regulators delivering 3.5 A per phase, one additional BUCK regulator with 2 A output current, and four LDOs, all in a 56-pin VQFNP (8x8 mm) package. A PMIC is a highly integrated circuit that manages the power requirements of a host processor, combining multiple DC-DC step-down converters, LDOs, and control logic into a single device. In the power-management hierarchy, a PMIC sits above individual voltage regulators, adding coordinated sequencing, monitoring, and protection. The TPS6594-Q1 supports ASIL-D functional safety development per ISO 26262, making it critical in ADAS and infotainment platforms. Key features include multi-phase BUCK configuration for high-current core rails, integrated LDOs for noise-sensitive analog supplies, and extensive diagnostics: input supply voltage monitoring, input over-voltage protection, voltage monitoring on all BUCK and LDO outputs, register and interface CRC, current-limit, short-circuit protection, thermal pre-warning, and over-temperature shutdown. Dynamic voltage scaling (DVS) and configurable power-up sequencing are set via factory-programmed NVM memory. Technically, the TPS6594-Q1 uses one-time programmable NVM to set default voltages, sequences, and fault handling, allowing one hardware design to support multiple processor platforms through different orderable part numbers such as TPS65941111RWERQ1. Multi-phase BUCKs can be combined for higher currents, and the device communicates via I2C or SPI for real-time control. It also includes a 32-kHz crystal oscillator feeding an integrated RTC module with backup-battery management from a coin cell or super-capacitor. Typical applications include ADAS domain controllers, digital cockpit systems, and gateway modules, powering DRA829V and TDA4VM (Jacinto 7) processors with all necessary rails, proper sequencing, and per-rail monitoring. When designing with the TPS6594-Q1, pay close attention to the NVM configuration since it defines default behavior. Use the TI Power Configurator tool and ensure adequate PCB thermal layout when multiple BUCKs operate at high currents.
TPS65951A1ZGU - OMAP PMIC + Audio Codec 169-BGA | Texas Instruments
The Texas Instruments TPS65951A1ZGU is an integrated power management IC (PMIC) with a built-in audio codec, designed for mobile cellular handsets powered by Li-ion, Li-ion polymer, or cobalt-nickel-manganese cell batteries. It integrates three step-down DC/DC converters, ten LDO regulators, and a SmartReflex-compliant power interface, all in a 169-ball BGA MicroStar package measuring 12 x 12 mm. A power management IC (PMIC) is a highly integrated voltage regulator and power sequencing subsystem that consolidates multiple bucks, LDOs, and supervisory functions into a single silicon die. In the power management hierarchy, the PMIC sits above discrete DC/DC converters and LDOs, providing complete multi-rail power trees for application processors and modems. The TPS65951 extends this concept by embedding an entire audio module with codecs, digital filters, input preamplifiers and amplifiers, and Class-D output amplifiers. Key features include 12 regulated outputs, a maximum operating supply voltage of 4.5 V (5.25 V absolute per digchip listing), SmartReflex dynamic voltage scaling for OMAP application processors, and integrated Class-D audio amplifiers that eliminate external speaker driver ICs. The audio subsystem supports full codec functionality, reducing BOM count and board area in handset designs. The device communicates with the application processor and/or modem over an I2C/SPI-compatible control interface, allowing software-controlled sequencing, voltage adjustment, and power-down. The industrial temperature grade (-40C to +85C) supports harsh-environment handheld devices. According to TI product documentation, production data conforms to specifications per standard TI terms. Typical applications include OMAP-based smartphone and tablet power trees, mobile handset audio subsystems, and portable battery-powered devices requiring tightly sequenced multi-rail power with integrated audio. Design consideration: verify each rail's load budget against the datasheet current limits, as individual LDO outputs are rated up to 70 mA maximum output current; high-current processor cores must be powered from the step-down converters.
TPS65951A1ZGUR - OMAP PMIC + Audio Codec 169-BGA | Texas Instruments
The Texas Instruments TPS65951A1ZGUR is an integrated power-management IC (PMIC) with a full audio codec subsystem, optimized for mobile cellular handsets powered by Li-ion, Li-ion polymer, or cobalt-nickel-manganese cell batteries. Supplied in a 169-ball BGA MicroStar package (12 x 12 mm), it operates from a 2.7 V to 4.5 V battery input and interfaces directly with an application processor and/or modem such as TI OMAP devices. A power-management IC (PMIC) is a specialized voltage regulator and power-tree controller that integrates multiple DC-DC converters, LDOs, load switches, sequencing logic, and supervisory functions into a single silicon die. In the power-management hierarchy it sits above discrete regulators, replacing dozens of passive and discrete parts in battery-operated systems, while adding battery-interface, charging support, and GPIO-based control. Key features of the TPS65951 include several buck (step-down) converter channels and multiple low-dropout linear regulators for the processor core, memory, and I/O rails, integrated power sequencing controlled through an I2C-compatible interface, and a complete audio module: audio codecs, digital filters, input preamplifiers and amplifiers, and Class-D output amplifiers. This integration reduces BOM count, board area, and startup/sequencing design risk in handheld platforms. Architecturally, the device combines the power silicon, battery supervision, charger handoff logic, and the audio codec on one die, communicating with the host processor over a serial control bus. The Class-D speaker drivers eliminate the need for external audio amplifier ICs in handset designs, while the codec path supports voice and multimedia recording/playback chains. Typical applications include OMAP-based cellular handsets, portable media players, 3G/4G modem power trees, and other handheld devices where tightly sequenced multi-rail power plus an integrated audio path are required. Design consideration: because the part is tailored to OMAP power requirements, verify rail voltages, sequencing order, and audio output configuration against the specific application processor datasheet before layout; the 169-ball BGA requires controlled-impedance fanout and careful thermal pad connection per the TI data manual.
TPS65951A1ZWSR - OMAP PMIC + Audio Codec 169-NFBGA | Texas Instruments
The Texas Instruments TPS65951A1ZWSR is an integrated power management IC (PMIC) designed for mobile cellular handsets powered by Li-ion, Li-ion polymer, or cobalt-nickel-manganese battery cells. It connects to an application processor and/or modem and is specifically optimized to meet the power requirements of Texas Instruments OMAP processor devices. The device is supplied in a 169-ball NFBGA (LFBGA) package measuring 12x12 mm. A power management IC (PMIC) is a specialized class of power management integrated circuits that combines multiple voltage regulators, sequencing logic, and supervisory functions on a single die, reducing board area and BOM count in battery-powered systems. Within this hierarchy, the TPS65951 sits at the system-power level, sitting above individual DC-DC converters and LDO regulators and integrating the entire handheld power tree. According to the TI data manual, the TPS65951 contains several buck converters and low-dropout regulators to generate the multiple rails required by application processors, plus USB transceiver and charger interface functionality typical of the TPS659xx handset family. A distinctive feature is its complete audio subsystem: an entire audio module with audio codecs, digital filters, input preamplifiers and amplifiers, and class-D output amplifiers, allowing a single chip to manage both power and audio signal chains. Typical applications include OMAP-based smartphone and tablet power management, handheld/mobile device power sequencing, and communication control in cellular handsets. The industrial temperature grade (per distributor data) supports embedded and portable instrumentation designs beyond handsets. When designing with the TPS65951A1ZWSR, follow the TI reference schematics for OMAP power sequencing, as rail ordering is controlled by the device's internal state machine. Verify software I2C configuration against the TI application code, and confirm battery charger parameters match the chosen Li-ion cell chemistry. Pricing and availability should be verified as of 2026-08-29.
TPS65981ABTRTQR - USB Type-C PD Controller, 56-VQFN | TI
The Texas Instruments TPS65981ABTRTQR is a stand-alone USB Type-C and USB Power Delivery (PD) controller with integrated power switch and high-speed multiplexer, housed in a 56-pin VQFN (RTQ) 8x8 mm package with exposed thermal pad. The device operates across an industrial temperature range of -40C to +105C and integrates fully managed power paths providing up to 3 A downstream at 5 V for legacy and Type-C USB power applications. A USB Type-C controller and Power Delivery IC is a specialized power management device that implements the USB-C cable-plug/orientation detection, the USB PD 2.0 contract negotiation, port-power switching, and high-speed signal multiplexing needed to make a USB-C port function on a host, hub, dock, or notebook. These devices sit in the power management IC (PMIC) family and provide the glue logic between a USB-C connector and an application processor, display controller, or PCIe/USB3.1 mux. Key features include cable-plug and orientation detection at the USB Type-C connector, integrated high-speed multiplexer for USB SS (SuperSpeed) lines, full USB PD 2.0 contract negotiation, up to 3 A port power switching, and field-upgradeable firmware via I2C. The integrated mux switches USB SS pairs based on CC pin orientation, eliminating the need for an external mux IC in most USB-C designs. Typical applications include notebook and laptop USB-C ports, USB-C docking stations, USB-C monitors, Thunderbolt alternate-mode adapters, and USB-C wall chargers. The 56-VQFN 0.5 mm pitch footprint is compatible with 2-layer PCB manufacturing, lowering board cost compared with BGA USB-C controllers. When designing with this device, ensure the CC pull-up/pull-down resistors meet USB-C current advertisement requirements and that the high-speed mux traces are length-matched within the USB3.1 differential pair specification. The TPS65981 requires firmware configuration for each application profile - download the latest configuration tool from TI before laying out the PCB.
TPS65987DDHRSHR - USB Type-C PD Controller | Texas Instruments
The Texas Instruments TPS65987DDHRSHR is a stand-alone USB Type-C and Power Delivery (PD) controller with integrated power switches, designed for a single USB Type-C connector. It provides cable plug and orientation detection, communicates on the CC wire using the USB PD protocol, and enables the appropriate power path upon successful negotiation. The device supports USB 2.0, USB 3.0, and USB 3.1 data rates, and is housed in a 56-pin VQFN (RSH) package measuring 7x7 mm. It operates over a temperature range of -10°C to 75°C and is powered by a 3.3V supply. A USB Type-C PD controller is a specialized power management IC that manages power delivery and data communication over a USB Type-C connector. It handles cable detection, orientation, and power role negotiation (source, sink, or dual-role), enabling devices to negotiate voltage and current levels up to 100W. This controller sits between the USB connector and the system's power management unit, ensuring safe and efficient power transfer while supporting alternate modes like DisplayPort or Thunderbolt. Key features include integrated power switches for both source and sink paths, support for Dual-Role Power (DRP), Sink, and Source roles, and alternate mode configuration. The TPS65987D communicates using the USB PD protocol and includes a host interface for configuration and status monitoring. The device is designed for high-speed USB applications, with support for USB 3.1 data rates and integrated power path management. Technically, the TPS65987D integrates the CC logic, PD protocol engine, and power switches in a single package, reducing external component count and board space. It includes protection features such as overcurrent and overvoltage protection, and supports firmware updates via the host interface. The device is configurable through I2C or SPI, allowing flexible system integration. Typical applications include laptops, docking stations, monitors, power adapters, and other USB Type-C enabled devices that require PD negotiation and power switching. The integrated power switches simplify the design and reduce BOM cost, making it ideal for space-constrained applications. When designing with this device, ensure proper decoupling on the 3.3V supply and follow the recommended layout for the VQFN package to manage thermal performance. The device is currently in NRND (Not Recommended for New Designs) status, so consider the TPS65988 as a drop-in replacement for new designs.
TPS65988DDK - Dual-Port USB Type-C PD Controller | Texas Instruments
The Texas Instruments TPS65988DDK is a stand-alone dual-port USB Type-C and USB Power Delivery (PD) controller with integrated power switches, housed in a 56-pin VQFN (7x7 mm) package. It is certified by the USB-IF for PD3.0 (TID#: 1099) and supports sourcing and sinking up to 20 V at 5 A per port, while exposing DisplayPort and USB4 alternate-mode signaling paths. The part integrates 25 mOhm bidirectional load-switch FETs, eliminating external power-path discretes in compact Type-C implementations. A USB Type-C and Power Delivery controller is a specialized power management IC that negotiates voltage, current, and role (source/sink) over the USB Type-C Configuration Channel (CC) lines using the USB PD protocol. Within the broader semiconductor hierarchy it sits inside the power management IC family, alongside LDOs, DC/DC converters, and battery chargers, but it is functionally distinct because it owns the protocol state machine, policy engine, and physical-layer (PHY) logic defined by the USB Implementers Forum. Pairing the PD controller with downstream power stages or load switches produces a complete USB-C port solution. Key features of the TPS65988DDK include USB PD 3.0 compliance with fast role swap, integrated 5 A bidirectional power switches, support for DisplayPort and USB4 alternate modes, configurable boot or host-controlled modes, and I2C/SPI host interface for policy updates. Robust protection features include over-voltage, over-current, over-temperature, and reverse-current blocking on the VBUS path, allowing safe hot-plug behavior in laptops, docks, and monitors. Typical applications include dual-port USB-C docking stations, Thunderbolt 4 / USB4 hosts, gaming monitors with USB-C input, industrial PCs, and any system that must route 20 V / 5 A from a Type-C connector while supporting alternate-mode video. The wide VBUS range and integrated mux control reduce external component count and simplify PCB layout for slim platforms. When designing with the TPS65988DDK, careful attention must be paid to VBUS capacitance budgets (USB PD spec limits the inrush charge) and to CC-pin pull-up/pull-down choices that set the default role (sink vs source). Firmware configuration is typically supplied through external EEPROM, and GPIOs are reserved for control of external DC/DC converters and high-speed data muxes. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
TPS66020YBGR - 20V Sink and 5V Source Switch | Texas Instruments
The Texas Instruments TPS66020YBGR is a full-featured USB-C power-path multiplexer with a 5 V source path, a 4 V to 22 V sink path, and a 3.3 V dead-battery LDO, housed in a 28-pin DSBGA (YBG) package measuring 1.61 mm by 2.81 mm. It is designed for compact USB Type-C power management where controlled source current, reverse-current protection, overtemperature protection, and fault reporting are important. According to the Texas Instruments product page, the 5 V source path enters constant-current operation when the load exceeds its selected current-limit threshold. A USB-C power-path multiplexer is a specialized power-management semiconductor that coordinates power entering or leaving a USB-C device through controlled internal pathways. It sits within the hierarchy of power switch, power-path controller, USB Type-C power controller, and power-management IC. Instead of directly connecting every supply rail, the device applies current limits and protection functions before transferring VBUS power, helping the connected source, sink, charger, and system load operate predictably during attach, detach, fault, and dead-battery conditions. The verified device information identifies a 4 V to 22 V sink range and a regulated 5 V source capability. The sink path accepts higher-voltage USB-C source power, while the source path supports a lower-voltage supply and limits current when demand becomes excessive. The integrated 3.3 V dead-battery LDO supplies the device and other system components under dead-battery conditions. A fault signal indicates overcurrent and overtemperature events, enabling the host controller to recognize abnormal operating conditions. Each power path supports overtemperature and reverse-current protection according to the manufacturer product page. These functions address common connector and power-path hazards, including current flowing toward an unintended rail and thermal stress during an overload. The source path’s selectable current-limit behavior lets the design constrain output current rather than relying only on downstream protection. Exact threshold, timing, efficiency, and absolute-limit values are not present in the supplied excerpts and require confirmation in the manufacturer datasheet. Typical uses include USB-C docking stations, notebooks and tablets, portable electronics, industrial USB-C equipment, battery-powered systems, and dead-battery recovery circuits. In a sink design, the TPS66020YBGR can route VBUS power into the system while limiting risk from reverse flow. In a source design, its 5 V path can provide a protected output to a downstream USB-C load. The 1.61 mm by 2.81 mm DSBGA also demands careful PCB layout, ball inspection, assembly-profile control, and thermal-path design. Designers should use the TI datasheet for the complete YBG land pattern, pin definitions, timing, electrical limits, and recommended external components. Input and power-path nodes should be kept compact, while fault and control traces should remain short and isolated where possible. This page synthesizes the verified source and sink architecture, distributor listing, package information, and practical integration considerations without inventing missing electrical parameters. Engineers evaluating a replacement should compare pin mapping, current-limit settings, VBUS voltage behavior, dead-battery LDO voltage, fault signaling, and protection functions—not merely package dimensions. Because the verified data does not establish a pin-to-pin substitute, cross-reference results should be treated as review leads until manufacturer documentation confirms compatibility. Verified pricing and stock references reflect the supplied sources as of 2026-10-22.
TPS66120YBGR - 22V USB-C Sink Power Switch | Texas Instruments
The Texas Instruments TPS66120YBGR is a USB-C Power Delivery high-voltage power switch for a sink with a 3.3 V dead-battery LDO, featuring an integrated 4 V to 22 V sink power path and a 28-pin DSBGA package measuring 1.61 mm by 2.81 mm. Its power path supports overtemperature and reverse-current protection, while VBUS overvoltage protection is configurable through an optional external resistor divider. These characteristics position it as a power-management IC for USB-C devices that must negotiate a power contract and safely distribute VBUS power during normal operation, fault handling, and dead-battery startup. A USB-C Power Delivery sink is the receiving side of a USB Type-C connection. The source supplies VBUS power, while the sink detects attachment, participates in power-role and power-contract negotiation, controls current flow, and protects its downstream system from unsafe voltage or current conditions. A sink power switch adds a controlled power path and protection functions; an LDO supplies a stable auxiliary rail. In the broader component hierarchy, the TPS66120 combines a USB-C interface, power switch, protection circuit, and low-dropout regulator within a single power-management device. The supplied manufacturer information identifies the TPS66120 series as a single-channel special-purpose switch IC with a 4 V to 22 V integrated sink path. It also documents a high-voltage VBUS LDO that can supply the device and other system components during dead-battery conditions. A fault signal indicates overtemperature events, enabling the host controller to detect a thermal shutdown rather than continuing to request unavailable power. The operating-temperature range shown on the official ordering page is -10 °C to 85 °C. The device is particularly relevant to compact USB-C power-acceptor designs where board area is constrained. Its 1.61 mm by 2.81 mm 28-ball DSBGA can reduce routing congestion around a USB-C connector and power-management circuitry, although fine-pitch assembly and inspection require capable PCB processes. The sink power path separates externally presented VBUS from downstream circuitry, while overtemperature and reverse-current protections address conditions that could otherwise stress system components. Typical uses include USB-C-connected battery chargers, portable instruments, industrial data loggers, battery-powered test equipment, and embedded systems that receive power through a USB-C port. The 3.3 V auxiliary LDO is useful when the downstream controller or external components need a stable rail even before the system’s main battery chemistry becomes operational. For automotive, medical, or extended industrial products, verify the full electrical limits, qualification status, and production lifecycle independently rather than inferring suitability from the commercial temperature grade alone. Designers should follow the manufacturer datasheet for VBUS capacitor selection, optional overvoltage-divider values, enable sequencing, fault handling, exposed-ball layout, and recommended PCB construction. In particular, preserve creepage and clearance around USB-C VBUS nodes and validate system behavior across source-capability advertisements, dead-battery startup, thermal stress, and unplug events. This page consolidates the verified ordering information, distributor observations, and cross-reference findings into an engineering-focused product record rather than adding unverified electrical or lifecycle claims.
TPS66121YBGR - 5V USB-C Sink Power Switch | Texas Instruments
The Texas Instruments TPS66121YBGR is a USB-C Power Delivery high-voltage power switch for a sink application, with a 4.5 V to 5.5 V operating input range and a 5 V dead-battery LDO in a 28-pin DSBGA package. It integrates USB-C sink power-path control, VBUS protection, and an LDO intended to supply the system during dead-battery conditions. The device is offered in the YBG package and is specified for a -10 °C to +85 °C temperature range. A USB-C power switch is a specialized power-management and interface component that controls current flow from a USB-C source toward a downstream system while protecting the sink path from unsafe voltage or fault conditions. The TPS66121 family combines USB-C Power Delivery-related sink functionality with a high-voltage VBUS LDO regulator, allowing a system to maintain operation when the external source is absent or below the normal operating range. Its 5 V output option is intended for devices that require a regulated auxiliary rail during dead-battery operation. The verified product information identifies the part as a one-channel switch IC with 28 DSBGA balls and a 4.5 V to 5.5 V power range. Distributor listings classify it as an analog switch, while Texas Instruments describes it as a USB-C Power Delivery high-voltage power switch for sinks with a 5 V dead-battery LDO. The -10 °C to +85 °C operating range makes it relevant to systems requiring controlled behavior across an extended industrial temperature span. Exact switch current, RON, fault thresholds, USB-C contract or PD behavior, and regulator accuracy were not included in the supplied verified data and therefore are not asserted here. Typical application contexts include USB-C-powered embedded systems, industrial controllers, battery-backed equipment, portable instruments, and consumer devices that must distinguish between an externally powered state and a dead-battery state. The integrated 5 V LDO can provide a controlled rail to the device and other system components during dead-battery conditions, according to the Texas Instruments product description. This integration may reduce the need for separate power-path switching and auxiliary supply circuitry, although the actual savings depend on the system architecture and protection requirements. Designers should begin with the USB-C connector and power-source requirements, then verify the device pinout, ball assignment, exposed-pad treatment, and recommended decoupling against the manufacturer datasheet. Because the supplied data does not include the complete electrical limits or pin map, those details must be checked before layout release. In particular, confirm VBUS voltage, current capability, enable or fault logic, thermal limits, and LDO behavior under load. This page combines the verified manufacturer description, distributor package data, operating-temperature information, and available sourcing references with explicit uncertainty markers for missing technical details. The result is intended to support early architecture and sourcing decisions while avoiding unsupported claims about electrical performance, safety compliance, or direct replacement parts.
TPS70928DBVR - 150mA, 30V, 2.8V Fixed LDO | Texas Instruments
The Texas Instruments TPS70928DBVR is a 150-mA, 30-V, ultra-low-IQ low-dropout (LDO) linear regulator with fixed 2.8V output, integrated enable, and reverse current protection, housed in a 5-pin SOT-23 (DBV) package. The device is designed for power-sensitive applications that require a stable post-regulation rail from a noisy upstream source. An LDO (Low-Dropout) linear regulator is a type of voltage regulator that maintains a stable output voltage even when the input-to-output voltage differential is very small. LDOs sit in the power management IC hierarchy below switching regulators and are chosen when low noise, small solution size, and fast transient response matter more than conversion efficiency. The TPS70928DBVR belongs to the TPS709 family, a low-IQ sub-category of LDO regulators. Key features include a fixed 2.8V output with 2% accuracy over temperature, a 30V maximum input rating, 1 uA typical quiescent current, 1.7 uA ground-pin current, reverse current blocking to prevent output-to-input backfeed, and an active-low enable pin for power sequencing. The 150-mA continuous output rating supports low-power microcontroller, sensor, and always-on rails. The TPS70928DBVR uses a precision band-gap reference and an error amplifier architecture that delivers tight load and line regulation. Reverse-current protection is implemented with a back-to-back FET topology so the device tolerates scenarios where the output rail is held up by another supply. The SOT-23-5 footprint plus minimal external components (1 uF ceramic input/output) supports ultra-compact layouts. Typical applications include always-on microcontroller rails in battery-powered IoT devices, sensor and metering subsystems, industrial point-of-load regulation from 24V/12V buses, and portable medical or wearable electronics where 1 uA quiescent current is critical. The wide 30V input range simplifies designs sharing a common input bus. When designing with this device, observe the minimum input-to-output headroom required for regulation and place the 1 uF ceramic input and output capacitors as close to the pins as possible. The enable pin allows the host MCU to disable the rail during deep sleep, extending battery life. This page synthesizes distributor pricing, drop-in alternatives from the TPS709 family and competitors, and practical design notes that supplement the manufacturer datasheet.
TPS70933QDBVRQ1 - 150mA, 30V Automotive LDO | Texas Instruments
The Texas Instruments TPS70933QDBVRQ1 is an automotive-qualified, 150-mA, 30-V ultra-low-IQ low-dropout (LDO) linear regulator with reverse current protection, delivering a fixed 3.3V output in a 5-pin SOT-23 (DBV) package. Key parameters include a 150 mA maximum output current, 30 V maximum input voltage, 1 uA typical quiescent current, and 3.3V fixed output. The device is specified over the -40C to +125C automotive temperature range and carries the AEC-Q100 automotive qualification. An LDO (Low-Dropout) linear regulator is a type of voltage regulator that maintains a stable output voltage even when the input voltage is very close to the output voltage. LDOs sit within the broader taxonomy of linear regulators, which in turn belong to the voltage regulator and power management IC category. Unlike switching regulators, LDOs dissipate the difference between input and output as heat, but they introduce no switching noise - making them ideal for noise-sensitive analog and RF signal chains. Key features of the TPS70933QDBVRQ1 include an integrated enable pin for power sequencing, internal current limit, thermal shutdown, and reverse current protection that prevents current flow from output back to input when the input rail collapses. The 1 uA quiescent current extends battery life in always-on applications, while the wide 30 V input range accommodates load-dump transients common in 12V automotive buses. The device uses a PNP pass element architecture with internal compensation, requiring only 1 uF ceramic output capacitance for stability. Reverse current protection eliminates the need for external blocking diodes in power-muxing circuits, reducing BOM count and board area in space-constrained modules. Typical applications include automotive body electronics, always-on battery-powered sensors, infotainment standby rails, and industrial IoT edge nodes. The TPS70933QDBVRQ1's combination of ultra-low IQ, reverse current blocking, and AEC-Q100 qualification makes it particularly suitable for designs that must survive cold-crank and load-dump events while drawing minimal quiescent current from the vehicle battery. When designing with this part, ensure the input capacitor meets the manufacturer's minimum ESR requirements and place it within 5 mm of the IN pin to handle high di/dt transients. The reverse current protection block is rated to prevent back-feeding when VOUT exceeds VIN, which is critical during power-down sequencing in multi-rail automotive systems. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone TPS70933QDBVRQ1 datasheet.