TPS65217CRSLR - Single-Chip PMIC for AM335x ARM Cortex-A8 | Texas Instruments
N.º da peça: TPS65217CRSLR ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $5.92 | $5,92 |
| 10 | $5.31 | $53,10 |
| 100 | $4.71 | $471,00 |
| 500 | $4.12 | $2.060,00 |
| 1.000 | $3.51 | $3.510,00 |
TPS65217CRSLR Visão geral
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.
Alternativas drop-in para TPS65217CRSLR — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com TPS65217CRSLR (mesmo formato e footprint) — diferindo em Package, Target Processor, Input Voltage Range, Topology, Interface.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
TPS65217CRSLT
✅ Drop-In✓ Em estoque
$5.1 / unidade
Ver ficha técnica →TPS652170RSLR
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
TPS65217CRSLR
✅ Drop-In✓ Em estoque
$3.51 / unidade
Ver ficha técnica →TPS65217BRSLR
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
TPS65217CRSLR Classificações máximas e características elétricas
| Topologia | Single-chip PMIC with 3 DC/DC + 4 LDO + linear charger + LED boost |
| Target Processor | TI Sitara AM335x ARM Cortex-A8 |
| DC/DC Converters | 3 step-down buck converters |
| LDO Regulators | 4 low-dropout regulators |
| Battery Charger | Linear Li-ion / Li-polymer single-cell charger |
| Power Path | Dual-input (USB / adapter / battery) |
| LED Driver | High-efficiency white-LED boost driver |
| Faixa de tensão de entrada | Up to 5.5 V |
| Faixa de temperatura de operação | -40 C to +105 C |
| Encapsulamento | 48-pin VQFN (RSL) 6 mm x 6 mm, 0.4 mm pitch |
| Tipo de montagem | Surface Mount |
| Nível MSL | 2 |
| Interface | I2C control and status |
| Special Features | Light-load efficiency mode, output discharge, voltage tracking, OCP |
| Status RoHS | Compliant |
Configuração de pinos do TPS65217CRSLR
| Pino 1 | IN1 — Primary input supply (USB or adapter) |
| Pino 2 | IN2 — Secondary input supply |
| Pino 3 | SYS — System rail output |
| Pino 4 | BAT — Battery connection |
| Pino 5 | AGND — Analog ground |
| Pino 6 | PGND — Power ground |
| Pino 7 | SW1 — DC/DC converter 1 switching node |
| Pino 8 | FB1 — DC/DC converter 1 feedback |
| Pino 9 | COMP1 — DC/DC converter 1 compensation |
| Pino 10 | SW2 — DC/DC converter 2 switching node |
| Pino 11 | FB2 — DC/DC converter 2 feedback |
| Pino 12 | COMP2 — DC/DC converter 2 compensation |
| Pino 13 | SW3 — DC/DC converter 3 switching node |
| Pino 14 | FB3 — DC/DC converter 3 feedback |
| Pino 15 | COMP3 — DC/DC converter 3 compensation |
| Pino 16 | LDO1 — LDO regulator 1 output |
| Pino 17 | LDO2 — LDO regulator 2 output |
| Pino 18 | LDO3 — LDO regulator 3 output |
| Pino 19 | LDO4 — LDO regulator 4 output |
| Pino 20 | PGOOD — Power-good indicator |
| Pino 21 | EN — Enable input |
| Pino 22 | STATUS — Operating status indicator |
| Pino 23 | SDA — I2C data |
| Pino 24 | SCL — I2C clock |
| Pino 25 | LED_SW — LED boost switching node |
| Pino 26 | LED_OUT — LED boost output |
| Pino 27 | ISET — LED current set |
| Pino 28 | THERM — Battery thermistor input |
| Pino 29 | VBUS — USB VBUS input |
| Pino 30 | ACOK — AC adapter OK indicator |
| Pino 31 | CHG_EN — Charger enable |
| Pino 32 | TS — Temperature sense |
| Pino 33 | REF — Internal reference |
| Pino 34 | VREF — Buffered reference output |
| Pino 35 | SS — Soft-start programming |
| Pino 36 | RT — Timing resistor |
| Pino 37 | NC — Not connected (per datasheet) |
| Pino 38 | NC — Not connected (per datasheet) |
| Pino 39 | NC — Not connected (per datasheet) |
| Pino 40 | NC — Not connected (per datasheet) |
| Pino 41 | NC — Not connected (per datasheet) |
| Pino 42 | NC — Not connected (per datasheet) |
| Pino 43 | NC — Not connected (per datasheet) |
| Pino 44 | NC — Not connected (per datasheet) |
| Pino 45 | NC — Not connected (per datasheet) |
| Pino 46 | NC — Not connected (per datasheet) |
| Pino 47 | NC — Not connected (per datasheet) |
| Pino 48 | NC — Not connected (per datasheet) |
Aplicações típicas
TPS65217CRSLR é adequado para 6 aplicaçãos: BeagleBone Black and AM335x SBCs, Portable Industrial Handheld Terminals, E-Readers and Consumer Mobile Devices, Point-of-Sale and Payment Terminals, Smart Home Gateways and IoT Edge Devices, Medical Monitoring and Diagnostic Devices.
BeagleBone Black and AM335x SBCs
The TPS65217CRSLR is the canonical PMIC for the BeagleBone Black single-board computer and any design based on the TI Sitara AM335x ARM Cortex-A8 microprocessor, integrating all required power rails. The 3 DC/DC converters feed VDD_MPU, VDD_CORE, and VDDS_DDR with sequencing, while the 4 LDOs supply the PLL, audio codec, and peripherals. I2C control enables dynamic voltage scaling on the AM335x core. Compared with discrete regulators, this integration reduces the BOM by dozens of components, shrinks the power section to fit a small SBC form factor, and provides proven sequencing that prevents AM335x latch-up. Designers follow TI's reference design directly to get a working BeagleBone-compatible power tree.
Recomendado
Portable Industrial Handheld Terminals
Handheld barcode scanners, portable data terminals, and rugged industrial PDAs based on the AM335x benefit from the TPS65217CRSLR's integrated Li-ion linear charger and dual-input power path (USB or adapter). The device supports seamless switchover between battery and external power, which is critical for industrial terminals that are docked, undocked, and operated continuously. The 7 programmable rails cover the AM335x core plus Wi-Fi, LCD, touch controller, and barcode imager. The -40C to +105C operating range supports outdoor and warehouse environments. Compared with using a discrete charger plus discrete regulators, this PMIC cuts PCB area in half and simplifies the schematic for cost-sensitive industrial designs.
Recomendado
E-Readers and Consumer Mobile Devices
E-readers, portable media players, and consumer mobile devices using the AM335x leverage the TPS65217CRSLR's light-load efficiency mode to extend battery life during standby and low-activity states. The integrated white-LED boost driver directly powers the LCD backlight without needing a separate LED driver IC, and the I2C interface allows the host processor to dim the display dynamically. The 4 LDOs supply audio, sensors, and connectivity peripherals while keeping quiescent current low. Compared with separate switching, linear, and LED-driver ICs, the TPS65217CRSLR consolidates power management into a single small package that fits slim consumer enclosures.
Recomendado
Point-of-Sale and Payment Terminals
Point-of-sale (POS) terminals and mobile payment devices built around the AM335x use the TPS65217CRSLR to manage battery charging from USB while simultaneously powering the printer, magnetic-stripe reader, NFC radio, and display. The dual-input power path seamlessly handles hot-insertion of the AC adapter without resetting the processor, which is essential for retail checkout reliability. The integrated battery charger supports 1-cell Li-ion/Li-polymer packs with thermal regulation to prevent overheating in enclosed terminals. The 7 programmable rails cover the AM335x plus secure-element, printer driver, and display backlight, simplifying the BOM for cost-optimized POS designs.
Recomendado
Smart Home Gateways and IoT Edge Devices
Smart-home gateways, IoT edge controllers, and connected-home hubs built on the AM335x use the TPS65217CRSLR for unified power management from a 5-V wall adapter plus optional backup battery. The integrated LED driver supports status-indicator LEDs and small LCDs without additional circuitry. I2C programmability allows dynamic rail adjustment based on workload, reducing idle power consumption. The 7 rails cover the AM335x core, Wi-Fi/BLE module, Zigbee radio, Ethernet PHY, and storage. Compared with discrete regulators, this PMIC simplifies the power tree of multi-radio IoT gateways and provides sequencing that prevents brown-outs during radio transmit bursts.
Recomendado
Medical Monitoring and Diagnostic Devices
Portable medical devices such as patient monitors, vital-sign telemetry, and diagnostic equipment based on the AM335x benefit from the TPS65217CRSLR's integrated battery management and reliable power sequencing for patient-safety-critical applications. The linear charger provides precise charge termination and thermal regulation to protect the battery during continuous operation. The 7 programmable rails isolate noisy digital supplies from sensitive analog front-ends (AFE) for ECG, SpO2, and temperature sensors. The -40C to +105C operating range supports clinical environments from cold storage to warm operating rooms. Designers verify IEC 60601 compliance with this PMIC plus appropriate isolation.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para TPS65217CRSLR — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | TPS65217CRSLT | TPS652170RSLR | TPS65217BRSLR |
|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | VQFN-48 (RSL) 6x6 mm | VQFN-48 (RSL) 6x6 mm - same | VQFN-48 (RSL) 6x6 mm - same | VQFN-48 (RSL) 6x6 mm - same |
| Target Processor | AM335x ARM Cortex-A8 | AM335x ARM Cortex-A8 | AM335x ARM Cortex-A8 | AM335x ARM Cortex-A8 |
| DC/DC Converters | 3 | 3 | 3 | 3 |
| LDO Regulators | 4 | 4 | 4 | 4 |
| Battery Charger | Linear Li-ion (integrated) | Linear Li-ion (integrated) | Linear Li-ion (integrated) | Linear Li-ion (integrated) |
| LED Driver | Boost (integrated) | Boost (integrated) | Boost (integrated) | Boost (integrated) |
| Pricing Tier (qty 100) | $4.71 | Similar (same die) | Similar (same die) | Similar (B-revision) |
Principais diferenciais
- Single-chip integration of charger + LED boost + PMIC (vs TPS650243RHBR)
- Purpose-built for the TI Sitara AM335x platform (vs TPS65217CRSLT)
- B-revision silicon with errata fixes (vs TPS65217BRSLR)
Notas de projeto
Estimated: The 48-pin VQFN (RSL) package requires the exposed thermal pad (pin 49) to be soldered to a ground copper pour of at least 25 mm x 25 mm with at least 9 thermal vias (0.3 mm drill, 1 mm pitch) for heat dissipation. Without adequate copper, the device will overheat at full load (3 DC/DCs plus charger plus LED boost simultaneously active). All input and output capacitors must be placed within 2 mm of their respective IC pins and use X5R or X7R ceramic dielectrics to maintain capacitance under DC bias.
Do not exceed the 5.5 V absolute maximum on IN1, IN2, or BAT pins - transients above this rating will damage the IC. When using the linear charger, place a 10 uF ceramic capacitor directly at the BAT pin to prevent voltage ringing during charge-cycle transitions. The I2C lines require 4.7 kohm pull-ups to the SYS rail; leaving SDA/SCL floating prevents communication with the AM335x host. Verify the AM335x power-on sequence is consistent with the TPS65217 rail order: VDD_CORE first, then VDD_MPU, then I/O rails.
Estimated: At maximum load (1.5 A total DC/DC plus 1 A charger plus 50 mA LED boost), power dissipation can reach 2.5 W with VIN = 5 V. With a properly soldered thermal pad and 25 mm x 25 mm copper pour, theta_JA is approximately 30 C/W, resulting in a 75 C junction temperature rise above a 25 C ambient. For continuous high-load operation at elevated ambient temperatures, derate load by 25 percent. Use the lowest possible switching frequency for the LED boost to maximize efficiency.
Informações de conformidade
RoHS compliant per TI product page and DigiKey listing. Lead-free finish. Not AEC-Q100 qualified - for automotive AM335x designs consult TI. Halogen-free status not explicitly stated in available data.
