Power Management
Subcategories
Products (2,800+)
PCA9452AHNE - PMIC for i.MX 93, 6 Buck + 3 LDO | NXP
The NXP Semiconductors PCA9452AHNE is a single-chip power management IC (PMIC) designed to support the i.MX 93x family of application processors in automotive and extended industrial applications, integrating 6 buck (switching) regulators and 3 LDO regulators for a total of 11 regulated outputs from a single 5V input supply. A power management IC is a highly integrated voltage regulator subsystem that consolidates multiple buck converters, LDOs, power sequencing logic, and supervisory functions into one device. In the system hierarchy, the PMIC sits at the top of the power tree: it converts a single system input (here 5V) into the multiple voltage rails (core, SoC, memory, I/O) that a modern application processor requires, replacing a discrete multi-rail regulator design with one qualified component. Key features of the PCA9452 include 11 regulated outputs, I2C-bus control supporting Standard-mode (100 kbit/s), Fast-mode (400 kbit/s) and Fast-mode plus (1 Mbit/s) per the NXP PCA9452 datasheet, and an IRQ_B interrupt output that pulls LOW when any unmasked interrupt bit in the INT1 register changes status, giving the application processor a hardware notification channel for fault and event management. Three of the buck regulators support dynamic voltage scaling (DVS) with programmable ramp-up and ramp-down times, and support remote sense to compensate IR drop between the regulator and the load - critical for maintaining accurate core voltages on high-current i.MX 93 rails. The device is characterized across an ambient temperature range of -40 C to +105 C, matching automotive AEC-grade deployment requirements. Typical applications include i.MX 93-based automotive human-machine interface (HMI) displays, extended industrial gateways and edge-AI boxes, and telematics or ADAS peripheral compute modules that need a qualified, sequenced multi-rail power solution in a single IC. Design consideration: because the rail sequencing and voltage levels are I2C-programmable, always validate the power-up register defaults against your i.MX 93 boot requirements before layout freeze, and budget PCB copper for the buck regulator hot loops. This page synthesizes distributor availability data, the manufacturer datasheet, and practical design guidance not found on any single source.
PCA9452AHNMP - PMIC for i.MX 93, 6 Buck + 5 LDO | NXP
The NXP PCA9452AHNMP is an AEC-Q100 Grade 2 automotive single-chip power management IC (PMIC) designed to support the i.MX 93x family of application processors, providing six high-efficiency step-down (buck) regulators, five LDOs, one 400 mA load switch, a 2-channel level translator, and a 32.768 kHz crystal oscillator driver, delivering 11 regulated outputs in a compact HVQFN package. A power management IC (PMIC) is a highly integrated power subsystem that combines multiple DC-DC converters and linear regulators on one die, replacing a dozen discrete regulator ICs. In the power-management hierarchy, the PMIC sits above individual voltage regulators and below the system controller, offering sequenced power-up, I2C-bus programmability, and protection functions tailored to a specific processor family such as the NXP i.MX application processors. Key differentiating features include three buck converters that support dynamic voltage scaling (DVS) for the i.MX 93 core rails, allowing the software to trade processor frequency against power consumption; a 400 mA integrated load switch for peripheral power domains; and interrupt-driven supervision via the IRQ_B pin, which asserts LOW on any unmasked interrupt status change and releases HIGH after the application processor reads the INT1 register. The PCA9452 communicates over an I2C-bus interface supporting Standard-mode (100 kbit/s), Fast-mode (400 kbit/s), and Fast-mode plus (1 Mbit/s) transfers. The I2C address at Power-On Reset is defined in Table 17 of the manufacturer datasheet, enabling multi-PMIC systems without address conflicts. The oscillator driver section supports an external 32.768 kHz crystal for the processor's real-time clock domain, and the 2-channel level translator bridges rail domains of different voltages in the i.MX 93 power tree. Typical applications include automotive infotainment and cluster displays based on the i.MX 93, extended-industrial HMI panels, edge-AI gateways, and battery-backed telematics units, all of which need precisely sequenced, low-quiescent-power rails. The single-chip approach reduces board area, BOM count, and total power-tree design risk compared with discrete regulator stacks. A key design consideration is buck inductor selection and layout: the DVS-capable bucks change their target output voltage under software control, so compensation and output capacitance must be chosen per the manufacturer datasheet reference design to keep transient response within processor specification during frequency transitions. This page synthesizes distributor availability from DigiKey, Mouser, Newark and Octopart, lifecycle status, alternatives guidance, and practical design notes not consolidated in the manufacturer datasheet.
PCA9460 - 13-Channel PMIC for i.MX 8ULP, 42-WLCSP | NXP
The NXP PCA9460 is a 13-channel single-chip power management IC (PMIC) delivering four high-efficiency 1 A step-down (buck) regulators, five LDOs (four VLDOs plus one SVVS LDO), and four 150 mohm load switches in a compact 42-ball WLCSP (WSCSP42) package measuring just 2.86 x 2.46 mm. It is purpose-built to be paired with the NXP i.MX 8ULP processor family for ultra-low-power applications. A PMIC (power management integrated circuit) is a highly integrated power management device that consolidates multiple voltage regulators, load switches, sequencing logic, and control interfaces into a single die. In the power-system hierarchy, it sits above individual DC-DC converters and LDOs, providing complete multi-rail power solutions that reduce board area, bill-of-materials count, and overall system quiescent power in processor-based designs. Key features include the four 1 A bucks with high conversion efficiency for core and I/O rails, four dedicated VLDOs for low-noise analog and memory rails, an SVVS LDO for the FlexIO/DPHY supply domain of the i.MX 8ULP, and four integrated 150 mohm load switches for peripheral power gating. Per NXP, the device is optimized where standby power and PMIC power consumption are critical design constraints. Architecturally, the PCA9460 provides predefined power-tree configurations (PCA9460A/B/C variants) matched to i.MX 8ULP boot and sleep modes, with I2C-based control for dynamic voltage scaling and power sequencing. This removes the need for external sequencing CPLDs or supervisor circuitry, trimming both board area and deep-sleep leakage. Typical applications include smart home devices, building safety and security systems, wearables, and smart and medium appliances, where small size, high efficiency, and minimal standby current directly determine battery life and compliance targets. Design consideration: the WLCSP-42 ball pitch demands microvia and blind-via PCB fabrication capability; engineers needing standard via rules should evaluate alternate packaging, as discussed on the NXP Community forums. This page synthesizes distributor availability data, same-family drop-in variants, and practical design notes not found in the manufacturer datasheet.
PCA9460AUKZ - PMIC for i.MX 8ULP, 4 Buck + 5 LDO | NXP
The NXP Semiconductors PCA9460AUKZ is a 13-channel single-chip power management IC (PMIC) for the i.MX 8ULP processor family, integrating 4 buck (step-down) converters and 5 LDO regulators in a 42-ball WLCSP package with an input voltage range of 2.7 V to 5.5 V and up to 1 A output capability on the main 5 V rail. A power management IC is a highly integrated voltage regulator subsystem that combines multiple DC-DC converters, LDOs, load switches, sequencing logic, and protection functions into one device. In the power-management hierarchy, a PMIC sits above individual regulators: it converts a single system input (here, 2.7 V to 5.5 V, typically a USB or battery rail) into all regulated domains an application processor needs, with coordinated power-up and power-down sequencing controlled over I2C. Key differentiating features of the PCA9460A include its four buck converters covering the core, DDR, and SoC rails of the i.MX 8ULP, five LDOs for analog, PLL, and I/O supplies, ultra-low standby power consumption, and I2C-programmable output voltages and sequencing. The 13 output channels eliminate dozens of discrete regulators, saving board area in space-constrained wearable and smart-home products. Architecturally, the PCA9460 is purpose-built and validated against NXP i.MX 8ULP power trees, including LPDDR4 memory rail support. This co-design reduces sequencing-error risk and simplifies software bring-up because NXP provides reference sequencing configurations. Typical applications include ultra-low-power smart-home and building-security devices, wearables, and smart and medium appliances - domains where standby power and overall PMIC consumption directly determine battery life. Design consideration: because output voltages and sequencing are I2C-programmable, always load the validated NXP-provided register configuration for your specific i.MX 8ULP variant before first power-up. This page synthesizes distributor availability, drop-in alternatives within the PCA9460 family, and practical design guidance not consolidated in the manufacturer datasheet.
PCA9460BUKZ - PMIC for i.MX 8ULP 4 Buck + 5 LDO | NXP
The NXP Semiconductors PCA9460BUKZ is a single-chip Power Management IC (PMIC) designed specifically to support the NXP i.MX 8ULP applications processor with LPDDR4X memory, integrating 4 buck (step-down) switching regulators and 5 LDO (low-dropout) linear regulators in a compact 42-terminal surface-mount HVQFN package. The part accepts a supply input from 2.7 V and operates up to a maximum ambient temperature of 85 C. A PMIC (power management integrated circuit) is a specialized voltage regulator subsystem that consolidates multiple power rails - buck converters for high-efficiency core supplies and LDOs for low-noise analog and I/O rails - into one device. In the power-management hierarchy, the PCA9460BUKZ sits above discrete regulators and below the system battery/charger, providing sequenced, programmable rails directly matched to an SoC power tree. Key features include four bucks covering processor core, DDR and system rail requirements, five LDOs for analog, PLL and peripheral supplies, sequencing and configuration controlled through an I2C interface, and ultra-low standby power consumption - a headline design goal of the PCA9460 platform for always-on, battery-powered products. Architecturally, the device pairs high-efficiency synchronous buck stages with low-quiescent LDO post-regulators, and its power-good, interrupt and enable architecture supports the complex multi-rail power-up and power-down sequencing that the i.MX 8ULP requires. Because the PCA9460BUKZ is pre-programmed for the i.MX 8ULP plus LPDDR4X power tree, board designers avoid the resistor-divider tuning and external sequencing logic otherwise needed with generic regulator arrays. Typical applications include battery-powered industrial HMI and portable devices built on the i.MX 8ULP, ultra-low-power edge-AI and sensor-fusion nodes, and wearable or IoT gateways where standby current directly determines battery life. Design consideration: the 42-terminal QFN package requires a solid ground plane and thermal vias under the exposed pad; follow the NXP reference design layout for the i.MX 8ULP to preserve buck-loop stability and minimize EMI. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet, verified as of 2026-09-13.
PCA9532BS - 16-bit I2C LED Driver, 25 mA, 400 kHz, HVQFN24
The NXP Semiconductors PCA9532BS is a 16-bit I2C-bus and SMBus I/O expander optimized for dimming LEDs in 256 discrete steps for Red/Green/Blue (RGB) color mixing and back-light applications, integrating 16 open-drain output switches rated at 25 mA each and packaged in a 24-pin HVQFN (4x4 mm) SOT616-1 package. An LED driver IC is a specialized power-management semiconductor that translates low-level digital commands (typically I2C) into per-channel current sinks or sources for solid-state lighting. LED drivers sit within the broader hierarchy of display and lighting ICs, bridging microcontrollers and high-brightness LED arrays, and are commonly used in laptops, monitors, and architectural lighting. The PCA9532 family specifically targets I2C-controlled PWM dimming with hardware-software frequency selection and two programmable blink rates. Key features include 16 individually programmable outputs, a built-in 256-step PWM that can be assigned to any output in two banks, software and hardware selectable I2C addresses (up to 8 devices on one bus), a 400 kHz Fast-mode I2C interface, an internal oscillator with two user-programmable blink rates, and 25 mA continuous per-channel sink current. Each output can be independently set to ON, OFF, blink at a programmed rate, or PWM-dimmed to one of 256 brightness levels. Internally, the PCA9532BS combines a CMOS I2C slave with logic decoders, two 8-bit PWM frequency registers, two 8-bit PWM registers that the device multiplies to 256 steps, and 16 open-drain MOSFET drivers. The 256-step PWM is created internally rather than counted out by the host, freeing the MCU for other work and ensuring consistent dimming across all channels regardless of bus traffic. Typical applications include RGB LED color mixing for ambient lighting, LED backlight control in LCD panels and notebooks, status indicators and signage, keypad backlights, and any compact electronic product that needs software-controllable individual LED brightness. Two PCA9532 devices can be configured to drive 32 LEDs in a stereo audio bar-graph or 24 LEDs plus a keypad scanner in a handheld instrument. When designing with the PCA9532BS, place a 0.1 uF bypass capacitor close to VDD, use a 1.5 kohm pull-up on SDA/SCL for reliable 400 kHz operation, and ensure the LED supply (typically 3.3 V or 5 V) stays within the absolute maximum ratings. Output current should be limited by a series resistor; do not exceed 25 mA continuous per pin or the device will enter thermal shutdown. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical PCB-level design notes not found in a single manufacturer document - use the comparison table to evaluate 25 mA vs higher-current siblings, and review the design_notes for HVQFN thermal-pad layout guidance.
PCA9632DP2Z - 4-bit 25mA I2C LED Driver | NXP Semiconductors
The NXP Semiconductors PCA9632DP2Z is an I2C-bus controlled 4-bit LED driver optimized for Red/Green/Blue/Amber (RGBA) color mixing applications, housed in a 10-pin TSSOP package. It provides 4 outputs with 25 mA per channel and operates as a drop-in upgrade for the PCA9633 with 40x power reduction. The device uses NXP's Fm+ (Fast-mode Plus) I2C interface capable of 1 MHz bus speeds for high-throughput color control. An LED driver is an integrated circuit that regulates current and brightness for light-emitting diodes, eliminating the need for discrete current-limiting resistors and enabling software-controlled dimming. LED drivers occupy the lighting subsystem tier of an embedded product, sitting below the microcontroller (which commands colors and animation sequences) and above the physical LEDs. Within the LED-driver category, the PCA9632 belongs to the I2C-controlled constant-current driver sub-class, a category that includes both 8-bit PWM (e.g., PCA9685) and 4-bit group-brightness devices like this one. Choosing the right driver involves balancing bit depth (color resolution), per-channel current, bus speed, and standby power for the target application. Key features include 4 individually controlled outputs, software-programmable group dimming (4-bit), individual LED brightness control, a 1 MHz Fm+ I2C interface, and ultra-low standby current. Each output delivers up to 25 mA and supports per-output programmable on/off and group dimming. The device integrates power-on reset, software reset, and four hardware-selectable I2C addresses via two ADDR pins, allowing up to 16 PCA9632 devices on a single bus for 64-channel systems. Internally, the PCA9632 uses a current-switch architecture with 4-bit PWM for group dimming and 8-bit PWM per channel for individual brightness. The integrated constant-current sinks eliminate the need for external current-limiting resistors, simplifying PCB layout and improving channel-to-channel matching. The Fm+ I2C interface supports standard (100 kHz), fast (400 kHz), and fast-mode plus (1 MHz) bus speeds. Typical applications include RGBA backlight control for handheld devices, RGB status indicators, decorative lighting, gaming peripherals, and IoT nodes with addressable color feedback. The 4-bit group dimming combined with 8-bit per-channel PWM produces 16 million effective colors (4,096 group steps x 256 channel steps). When designing with this part, ensure the LED forward voltage plus headroom remains below VDD. Decouple VDD with a 100 nF ceramic capacitor close to the IC and follow I2C bus layout best practices for the 1 MHz Fm+ speed grade. This page synthesizes distributor pricing, verified drop-in alternatives (including PCA9633 series same-brand parts and cross-brand pin-compatible replacements), datasheet references, and practical design notes not found in the NXP datasheet alone.
PCA9633TK,118 - 4-bit 25mA I2C LED Driver HVSON8 | NXP
The NXP PCA9633TK,118 is a 4-bit 25 mA I2C-bus controlled LED driver optimized for Red/Green/Blue/Amber (RGBA) color mixing applications, housed in an 8-pin HVSON (3x3 mm) package. Each of the four LED outputs provides 8-bit resolution (256 steps) of fixed frequency PWM brightness control, and the device supports a 1 MHz Fast-Mode Plus (Fm+) I2C interface for high-speed host communication. A LED driver (Light-Emitting Diode driver) is an active electronic circuit that regulates current or voltage through one or more LEDs to set brightness, color mixing, and on/off timing. Within the broader power-management hierarchy, the PCA9633 sits under constant-current LED drivers -> LED drivers -> power management ICs -> semiconductors. The PCA9633TK variant uses voltage-switch (open-drain) outputs, making it well suited to driving low-voltage LEDs or external MOSFET-controlled higher-current strings while the host MCU retains color-mixing intelligence. Key differentiating features include per-output 8-bit PWM at 97.6 kHz nominal frequency to eliminate audible flicker in RGBA mixing, software-programmable output state inversion, group PWM/blink control, and a hardware-reset input with power-on reset. The wide 2.3 V-5.5 V supply range supports both 3.3 V and 5 V logic rails commonly found in RGB backlights and indicator panels. Architecturally the part uses an I2C slave state machine, a 4 MHz internal oscillator (divided down for PWM), and four open-drain output drivers rated at 25 mA continuous each. Outputs can be paralleled for higher current without external logic changes, and the device supports up to 126 selectable I2C addresses in the 16-pin version, enabling large addressable LED arrays. Typical applications include RGBA color-mixing for signage and architectural lighting, RGB keypad backlighting in consumer electronics, status indicators on networking hardware, and LED-blinking alert patterns on industrial HMIs. Designers choose this part when they need fine-grained PWM control of four low-current LEDs without an external driver FET. When designing, confirm that each LED's forward voltage does not exceed the open-drain pull-up tolerance and select a current-limit resistor (or constant-current driver) sized for the chosen LED bin. Decouple VDD with a 100 nF ceramic capacitor placed within 2 mm of the supply pin to suppress switching transients during PWM transitions. This page synthesizes distributor pricing, drop-in HVSON8 alternatives, and practical design considerations not consolidated on the manufacturer product page.
PCA9685PW - 16-Channel 12-bit PWM I2C LED Controller | NXP TSSOP-28
The NXP Semiconductors PCA9685PW is a 16-channel, 12-bit PWM Fm+ I2C-bus LED controller housed in a 28-pin TSSOP (SOT361-1) package, optimized for Red/Green/Blue/Amber (RGBA) color backlighting. Each of the 16 LED outputs has its own 12-bit resolution (4096 steps) fixed-frequency PWM controller that operates at a programmable frequency from typically 24 Hz to 1526 Hz, with a duty cycle adjustable from 0% to 100% for fine-grained brightness control. The device is rated for 25 mA sink current per output and operates from a 1 MHz Fast-Mode Plus I2C interface, allowing up to 62 devices to share a single bus via six hardware address pins. An LED driver is an integrated circuit that switches current through light-emitting diodes at controlled duty cycles and frequencies, allowing microcontrollers to drive many more LEDs than their limited GPIO pins can support directly. The PCA9685 belongs to the LED driver / PWM controller product family within the display driver hierarchy, which sits inside power management and lighting sub-systems. Compared to discrete MOSFETs driven by GPIO bit-banging, a dedicated LED controller IC delivers programmable frequency, smooth 12-bit dimming, hardware current sinking, and synchronized multi-channel phase shifting - critical for avoiding audible flicker and for removing the MCU's software timing burden. Key features include six hardware-selectable I2C addresses, a 1 MHz Fm+ capable SCL clock, programmable open-drain totem-pole output structure with 25 mA continuous sink, per-output 12-bit duty cycle plus 4-bit group Blink/Blink-at-fixed-frequency mode, and a 40 mA active-low Output Enable (OE) input for synchronized dimming via external PWM. The internal 25 MHz oscillator provides the time base and supports the wide 24 Hz - 1526 Hz PWM range with sub-percent duty cycle resolution. The PCA9685PW architecture combines an I2C slave decoder, a frequency prescaler, and 16 independent 12-bit PWM latches, all driven by a single on-chip 25 MHz RC oscillator. Outputs can be configured as totem-pole (push-pull) or open-drain, providing flexibility to drive both LED cathodes to GND and LED anodes to V+. The OE pin enables global phase-shifted PWM dimming - critical when multiple PCA9685PW ICs must be synchronized to a common refresh rate for large LED matrices. Typical applications include LCD TV/monitor RGBA LED backlighting, RGB LED strip driving, servo motor control via PWM (hobby robotics), LED matrix displays, and PC case lighting. Designers choose the PCA9685PW when they need more than the 4-6 PWM channels a typical MCU offers, require 12-bit dimming depth, or must chain multiple drivers on one I2C bus. When designing with this device, place the 220 nF bypass capacitor on VDD and the 1 uF + 2.2 uF bulk capacitors on V+ as close as possible to the pins, and keep the SDA/SCL traces short. The OE pin must be tied HIGH when not used; leaving it floating can cause undefined output behavior. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing a faster comparison surface for engineers evaluating LED controllers for backlight or robotics designs.
PD-3501G/AC-US - 15.4W Gigabit PoE Midspan Injector | Microchip
The Microchip Technology PD-3501G/AC-US is a single-port Gigabit Power over Ethernet (PoE) midspan injector that converts AC mains power into 48V DC PoE output at up to 15.4W, compliant with IEEE 802.3af, with 10/100/1000 Mbps data-rate pass-through and a US power cord. A PoE midspan injector (also called a PoE adapter or power injector) is a network device that adds DC power to an existing Ethernet data cable without altering the switches or cabling already installed. It sits in-line between a non-PoE network switch and a powered device (PD) such as an IP camera, injecting power on the spare pairs or center taps per the IEEE 802.3af standard. Within the power-over-Ethernet hierarchy, it belongs to the midspan (endpoint-independent) class of power sourcing equipment (PSE), as opposed to an endspan PoE switch. Key features of the PD-3501G include full IEEE 802.3af compliance guaranteeing safe detection and classification of powered devices, Gigabit Ethernet pass-through so 1000BASE-T data rates are preserved, and plug-and-play installation that leaves the existing network infrastructure completely unaltered. The unit delivers a nominal 48V DC output at up to 0.32A (15.4W) from an AC mains input of up to 240V via an IEC 320-C14 inlet. Technically, the midspan performs the PSE functions required by 802.3af: it applies a detection signature to identify a valid PD, optionally reads the classification signature, and only then applies the 48V power, protecting legacy non-PoE equipment from damage. Detection also enables hot-plugging of terminals without disrupting data traffic. Typical applications include powering IP phones, WLAN access points, and network cameras in offices, campuses, and low-port-density installations where upgrading to a PoE switch is unnecessary or uneconomical. For design-in and deployment, remember that the total cable run, including the midspan, must stay within the 100 m Ethernet channel limit, and the powered device must be 802.3af Class 0 through Class 4 compatible to fit within the 15.4W budget. This page adds unique value beyond the manufacturer datasheet: it synthesizes distributor pricing tiers, drop-in cord-code and family alternatives, deployment design notes, and AEO-optimized FAQs in one place.
PD-9001GM - 30W Single-Port Gigabit PoE Midspan | Microchip
The Microchip Technology PD-9001GM (PowerDsine 9001G family) is a single-port Power over Ethernet (PoE) midspan injector that delivers up to 30 Watts over Gigabit Ethernet cabling, compliant with the IEEE 802.3at PoE+ standard and backward compatible with IEEE 802.3af, packaged as a compact standalone desktop/wall-mountable unit. A PoE midspan, also called a PoE injector or power injector, is a device that adds electrical power to a standard Ethernet data line without replacing the network switch. Positioned between a non-PoE switch and a powered device (PD), it injects DC power onto the spare or data pairs of the Cat5e/Cat6 cable while passing 10/100/1000 Mbps data traffic transparently. Midspans sit in the power-delivery layer of the network hierarchy: Ethernet infrastructure -> PoE power sourcing equipment (PSE) -> powered devices such as access points and cameras. Key features include 30W power output per port for high-power applications, full Gigabit (10/100/1000 Mbps) data-rate pass-through, IEEE 802.3at compliance with 802.3af backward compatibility, and automatic detection and classification of powered devices. The unit powers up the PD only when a valid 802.3af/at signature is detected, protecting non-PoE network equipment from damage. The midspan integrates the PSE controller and a flyback power supply in one enclosure, generating the 50-57V PoE output rail from a mains AC input, with short-circuit, over-current and over-temperature protection per the IEEE standard. This avoids the cost and downtime of replacing an existing non-PoE Ethernet switch when only one or a few ports need power. Typical applications include powering WLAN 802.11n/ac access points, IP network cameras including PTZ models, VoIP video phones and other IP terminals in enterprise, retail and surveillance installations where only one port requires PoE. Design and deployment consideration: verify that the connected cabling is Cat5e or better and that the powered device's power class does not exceed the 30W budget; a midspan cannot combine power with a PoE switch port on the same link. This page synthesizes verified manufacturer and distributor data, family cross-references, and deployment guidance not found on a single datasheet.
PD-9001GM/AC - 30W PoE Midspan Injector, Gigabit | Microchip
The Microchip Technology (formerly Microsemi / PowerDsine) PD-9001GM/AC is a single-port, high-power Power-over-Ethernet (PoE) midspan injector that delivers up to 30 W of DC power over standard Ethernet cabling while passing 10/100/1000Base-T data traffic transparently. The unit accepts a universal AC mains input (via the integrated AC variant cord-set) and injects IEEE 802.3at Type 2 (PoE+, 30 W) onto a Gigabit Ethernet pair-set, with full backward compatibility to IEEE 802.3af (15.4 W) powered devices. PD-9001GM/AC operates without affecting the data path, making it ideal as a drop-in upgrade for networks that need to power newer high-draw endpoints without replacing existing switches. A PoE midspan (also called a PoE injector or "power inserter") is a layer-1 power-sourcing device placed in-line between a non-PoE Ethernet switch and a powered terminal (PT). It negotiates the signature, classification, and power-allocation handshake over the spare or signal pairs defined in IEEE 802.3, then supplies 48-57 V DC up to the negotiated class. Midspans belong to the broader PoE power-sourcing-equipment (PSE) hierarchy, alongside PoE-capable switches and end-span injectors; they are typically used when retrofitting legacy switches to support new high-power Wi-Fi 6/6E APs, PTZ cameras, or VoIP phones. Key features of the PD-9001GM/AC include gigabit (10/100/1000Base-T) pass-through, surge protection on the data port, support for both 802.3at (2-event) and 802.3af classification, and a guaranteed 30 W output at the PD. The chassis ships with indicator LEDs (AC power, channel power), an IEC C5/C7 AC inlet (cord-set variant), and integrated thermal management for fanless operation. The midspan is targeted at small-office / branch-office networks where silent operation, compact form factor, and standards-compliant negotiation matter more than rack-density. From a design viewpoint, the PD-9001GM/AC provides a complete, externally-powered PSE solution - no host-side firmware or driver stack is required. Because the device is a sealed plug-top / desktop midspan, engineers can treat it as a black-box AC-to-PoE converter in their system BOM rather than designing discrete PoE PSE hardware. This simplifies compliance, EMI, and thermal design while supporting mixed-vintage 802.3af and 802.3at loads on the same infrastructure. Typical applications include powering 802.11ac / 802.11ax Wi-Fi access points, pan-tilt-zoom (PTZ) surveillance cameras, IP video phones, thin-client terminals, and small-cell or IoT gateways. Because the unit is gigabit-rated, it supports modern high-throughput APs that the older 100 Mb-only 9001G cannot power without bottlenecking the uplink. For deployment, mount the midspan on a flat surface within 100 m cable reach of the powered device, connect the "Data In" RJ-45 to the existing switch, and "Data & Power Out" to the PD; ensure the AC inlet is on a properly grounded outlet. No software configuration is required - classification, inrush, and disconnect detection are handled internally per IEEE 802.3at. This page synthesizes distributor pricing, gigabit vs fast-Ethernet variant comparisons, and practical deployment notes not found in the manufacturer datasheet alone.
PD-9506GC - 6-Port 60W BT PoE Midspan | Microchip Technology
The Microchip Technology PD-9506GC is a 6-port, 60 W per-port indoor Power-over-Ethernet (PoE) midspan injector that is fully compliant with the IEEE 802.3bt standard. Designed for high-power Powered Devices (PDs), it delivers up to 60 W on each of six Gigabit Ethernet (10/100/1000 Mbps) data pass-through ports, supporting emerging high-wattage applications such as IEEE 802.11ax Wi-Fi 6 access points, PTZ and dome network cameras, IP videophones, thin clients, and color-touch displays. A PoE midspan is a network appliance that sits between a non-PoE Ethernet switch and PoE-powered end terminals, injecting DC power onto the spare or data pairs of standard TIA/EIA-568 cabling without requiring replacement of the existing switch. Within the broader power-management taxonomy, the PD-9506GC belongs to the Power Sourcing Equipment (PSE) category of midspans, which itself sits above simple PoE splitters and below full PoE-enabled switches in Ethernet-power deployment hierarchies. Key features include support for all four 802.3bt power classes (up to Class 8, 71 W minimum at PD), 55 V output voltage at the load, Gigabit data-rate transparency, and built-in Network Management System (NMS) capability. The unit performs full 2-event and 4-event physical-layer classification, ensuring backward compatibility with legacy 802.3af (15.4 W) and 802.3at (30 W) PDs while enabling new high-power installations. Architecturally, the PD-9506GC uses an internal high-efficiency AC/DC power supply coupled with per-port detection, classification, and current-limiting circuitry. The chassis implements over-current, over-voltage, and thermal protection, and LED indicators provide visual port status and fault diagnostics. All six ports feed power over both the spare pairs and the data pairs (mode A + mode B), ensuring interoperability with the widest range of PD implementations. Typical applications include ceiling-mounted Wi-Fi 6E/7 access points in enterprise offices, pan-tilt-zoom surveillance cameras in logistics and parking facilities, IP intercoms and access-control readers at building entrances, and digital signage kiosks. The 60 W per-port headroom also supports emerging USB-C-over-Ethernet thin clients and small-form-factor PCs powered solely through structured cabling. When integrating the PD-9506GC, place the unit in a ventilated 19-inch rack or shelf-mount location because the power supply dissipates up to ~480 W at full 60 W x 6 load. Use only Cat5e or higher cabling, and budget an additional ~0.5 A per port for inrush spikes during PD classification. Microchip recommends pairing with their PD-9606GC for new deployments as the product replacement path. This page synthesizes distributor pricing tiers, verified drop-in alternatives from the same PD-95xxGC family, side-by-side comparisons, and practical design notes that are not found in the manufacturer datasheet alone.
PD-9606GC - 6-Port 90W IEEE 802.3bt PoE Midspan | Microchip
The Microchip Technology PD-9606GC is a 6-port Power over Ethernet (PoE) midspan injector that delivers up to 90 W per port and is fully compliant with the IEEE 802.3bt Type 4 standard while remaining backward compatible with IEEE 802.3af/at. It is housed in a 1U-style rack-mountable indoor enclosure with six RJ-45 data inputs, six RJ-45 data+power outputs, and an AC power inlet, and supports 10/100/1000 Mbps (Gigabit) Ethernet pass-through. Each port negotiates power with the connected Powered Device (PD) using the 802.3bt Type-3/Type-4 handshake and supplies up to 90 W at 54 V nominal output. A Power over Ethernet midspan (also called a PoE injector) is a device that sits between a non-PoE Ethernet switch and end terminals, injecting DC power onto the twisted-pair cabling so that the switch itself does not need PoE capability. The PD-9606GC belongs to the broader midspan family of PoE midspans -> PoE injectors -> PoE power sourcing equipment -> industrial power supplies -> power conversion products. Midspans are used in installations where the existing Ethernet switch is fixed and PoE functionality must be added without replacing it. Key features of the PD-9606GC include per-port power output of up to 90 W (Type 4), full backward compatibility with 802.3af (15.4 W) and 802.3at (30 W), plug-and-play installation with no configuration required for basic operation, and Microchip's PowerView Pro secure remote management via SNMPv3 over IPv4 or IPv6. Built-in protections include detection, classification, overload, and short-circuit protection per the 802.3bt specification, as well as per-port current limiting. The internal architecture combines a universal-input AC-to-DC front end that produces a 54 V bulk rail with six independent PoE controller channels. Each channel performs the IEEE 802.3bt handshake, classifies the attached PD, and applies the 54 V rail through current-sense and MOSFET switching. Gigabit data pairs are passed through untouched on the data pairs, while power is injected on the spare pairs (Mode A) or both data and spare pairs (Mode B) as required by the negotiated class. Typical applications include powering IEEE 802.11ax/802.11ac Wi-Fi 6 access points, PTZ and dome IP cameras, IP videophones, thin clients, digital signage displays, point-of-sale terminals, and small-cell or picocell radio units. Any 802.3bt-compliant high-power end device can be powered without needing a local AC outlet at the endpoint. When deploying the PD-9606GC, verify that the upstream Ethernet switch supports pass-through data only (the midspan handles all PoE logic), confirm that cabling is rated Category 5e or better, and budget for chassis airflow because the unit dissipates heat proportional to total delivered power (up to 540 W at full 6-port 90 W load). This page synthesizes distributor pricing, same-brand SKU alternatives, application guidance, and design notes that are not found in the manufacturer datasheet alone.
PD-9606GC/AC - 6-Port 90W PoE Midspan IEEE 802.3bt | Microchip
The Microchip Technology (Microsemi / PowerDsine) PD-9606GC/AC is a 6-port IEEE 802.3bt-compliant Power over Ethernet midspan injector delivering up to 90 W per port at 55 V DC (1.64 A per port) with 10/100/1000 Mbps data rates over Cat 5/5e/6 cabling. A PoE midspan injector is a network device that adds power to an Ethernet link without replacing the existing Ethernet switch. It sits between the switch and the powered device (PD), injecting DC power onto the cable pairs while passing data traffic untouched. In the power-management hierarchy it belongs to the Power over Ethernet equipment family defined by IEEE 802.3af/at/bt standards, complementing endspan (PoE switch) architectures. Key features include 90 W per port under the IEEE 802.3bt (Type 4 / 4PPoE) standard, backward compatibility and safe operation with 802.3af/at powered devices, gigabit-transparent data pass-through, network management capability (NMS variant family), and a six-port form factor in the PowerDsine PD-9600GC family, which also spans 12-port and 24-port models for scalable deployments. The PD-9600GC family powers IEEE 802.11 wireless access points, Pan-Tilt-Zoom (PTZ) and dome IP cameras, IP videophones, thin clients, and other high-power Ethernet end terminals. DC power is supplied over both spare and data pairs of the cable (pairs 1/2, 3/6, 4/5, 7/8) in a 10/100/1000Base-TX network over TIA/EIA-568 category 5/5e/6 cabling, per the PD-96xxGC user guide. Typical applications include enterprise Wi-Fi 6/6E access point deployments that exceed 60 W, surveillance installations with heaters and IR illuminators in PTZ dome cameras, and powering thin clients or digital signage in office and industrial environments. Design consideration: verify total system power budget. A 6-port 90 W unit can demand up to 540 W from the AC mains, so confirm facility provisioning and ventilation clearances in enclosed racks. This page synthesizes distributor listings, family datasheet data, drop-in regional/family alternatives, and practical deployment notes not consolidated in the manufacturer datasheet. Pricing references are as of 2026-10-10.
PD-9606GC/AC-US - 6-Port 90W PoE Midspan 802.3bt | Microchip
The Microchip Technology PD-9606GC/AC-US is a 6-port IEEE 802.3bt-compliant Power over Ethernet (PoE) midspan injector delivering up to 90 W per port at 55 V over 10/100/1000 Mbps Gigabit Ethernet links, supplied with a US AC power cord. A PoE midspan (also called a PoE injector or power injector) is a network device that adds electrical power to an Ethernet cable between a non-PoE switch and a powered device (PD). Sitting in the power-management hierarchy alongside PoE switches and endpoint PSEs, midspans let operators upgrade existing copper infrastructure to high-power PoE without replacing the Ethernet switch. Midspans are classified as Power Sourcing Equipment (PSE) under IEEE 802.3bt (Type 4, 4-pair power). Key features include 90 W per port output compliant with IEEE 802.3bt Type 4, six PoE ports in a compact indoor chassis, automatic detection and classification of connected PDs, short-circuit, overload and overvoltage protection, and network management capability (NMS) for remote monitoring via web/SNMP. The Gigabit data path ensures no throughput penalty on 10/100/1000BASE-T links, and 4-pair powering enables the full 90 W power class for emerging devices. The PD-9600GC family architecture implements the 802.3bt PSE functions, including LLDP-based power negotiation, so high-power PDs such as PTZ cameras with heaters and IR illuminators can draw their full power budget. The AC input operates from standard mains with internal rectification, and the units can be rack or wall mounted for structured-wiring closets. Typical applications power IEEE 802.11ax Wave-2 access points, Pan-Tilt-Zoom (PTZ) and dome surveillance cameras, IP videophones, thin clients, digital signage, and small 5G small-cell radios - all devices whose power demand exceeds the 30 W of older 802.3at deployments. Design consideration: budget the aggregate power draw across all six ports against the AC input rating, and confirm each PD supports 802.3bt 4-pair powering to achieve the full 90 W class. This page adds value beyond the manufacturer datasheet by consolidating distributor pricing, drop-in family alternatives, application guidance, and FAQ content optimized for AI search citation.
PD-USB-DP60 - PoE to USB-C 60W Adapter | Microchip Technology
The Microchip Technology PD-USB-DP60 is a Power over Ethernet (PoE) to USB-C power and data adapter that delivers up to 60W of USB power at its output. It accepts PoE input over a single Ethernet cable from a source up to 328 ft (100 m) away and exposes a USB-C connector carrying both USB Power Delivery and USB 3.1 Gen 1 data, enabling flexible installation of USB-C devices without a nearby AC outlet. A Power over Ethernet to USB-C adapter is a powered device (PD) that combines a PoE front-end (compliant with IEEE 802.3bt/at/af) with a USB-C Power Delivery (PD) sink/source controller and a USB-Ethernet bridge. In the broader hierarchy it sits within the power management > PoE powered-device category, bridging wired Ethernet infrastructure to the modern USB-C ecosystem used by tablets, laptops, NUCs, IP cameras, and information kiosks. By collapsing power and data onto a single Cat5e/Cat6 cable, it eliminates two long-standing pain points: AC outlet scarcity at endpoint locations and the inherent distance limits of native USB cables. Key features include 60W maximum output (20 V at 3 A) under USB PD, 10/100/1000 Mbps Gigabit Ethernet pass-through, USB 3.1 Gen 1 (5 Gbps) data through the integrated Microchip LAN7800 USB-to-Ethernet bridge, and a USB-C receptacle that supports plug-and-play on Windows hosts. The enclosure is a compact industrial-grade housing designed for fixed installation behind displays, under desks, or in ceiling-mounted camera deployments. IEEE 802.3bt compliance lets the PD-USB-DP60 negotiate the full 90 W PoE budget and draw up to 60 W for the USB-C load while leaving margin for cable and connector losses. Technically, the adapter integrates a PoE PD interface, a DC-DC conversion stage, a USB PD controller advertising 5 V/9 V/15 V/20 V profiles, and the LAN7800 bridge mapping the upstream Gigabit Ethernet to a USB 3.1 Gen 1 device port. This architecture means a downstream USB-C host sees the adapter as a wired GbE NIC plus a USB-PD power source, enabling single-cable operation for thin clients, mini PCs, and conferencing equipment. Thermal design is passive, relying on the metal enclosure as a heatsink for the internal 60 W conversion stage. Typical applications include IP cameras and video conferencing bars in conference rooms, interactive digital signage and information kiosks, small-form-factor PCs and NUCs deployed in ceiling or wall locations, smart monitors and displays that need power plus Ethernet from a single cable, and industrial IoT endpoints where USB-C is the standard host port. It is also a strong fit for AV-over-IP endpoints and PoE-powered LED controllers that use USB-C as a service or configuration port. When designing with the PD-USB-DP60, ensure the upstream PoE switch or midspan provides at least 802.3bt (Type 3 or Type 4) so the adapter can deliver a full 60 W output. Lower PoE classes will negotiate a reduced USB-PD profile. Plan for a maximum 100 m Cat5e/Cat6 run between the PoE source and the adapter, and confirm that the USB-C device you connect supports USB Power Delivery at the requested voltage profile. This page synthesizes distributor pricing, a drop-in alternative analysis, and practical installation guidance not found in the manufacturer datasheet alone.
PD69101ILQ-TR - 1-Port PoE+ PSE Controller 802.3at | Microchip
The Microchip Technology PD69101ILQ-TR is a single-port, mixed-signal, high-voltage Power over Ethernet (PoE) PSE controller and manager supporting IEEE 802.3af (PoE) and IEEE 802.3at (PoE+) standards, delivering up to 30 W port power in a 24-pin QFN (4x5 mm) package with exposed pad, rated for industrial temperature ranges. A PoE PSE (Power Sourcing Equipment) controller is a power management IC that lives inside Ethernet switches, injectors, and midspans. It governs how power is safely delivered over the same Cat-5/Cat-6 cable that carries data: it detects whether a connected Powered Device (PD) is genuinely PoE-compliant, classifies its power draw, monitors current and voltage, and disconnects power safely when a device is removed. This prevents damage to legacy non-PoE equipment and ensures the Ethernet port never exceeds negotiated power budgets. The PD69101 provides detection of IEEE 802.3af-2003 compliant PDs and IEEE 802.3at high-power devices, ensuring safe power feeding and disconnection per the standard. Its mixed-signal architecture integrates the precision analog detection and classification circuitry with a management interface, and the MODE0/MODE1 configuration pins support a serial monitoring mode in which the device continuously transmits the content of nine internal registers for system health diagnostics. LED I/O pins support port-status indication. Typical applications include Ethernet switch ports, PoE midspan injectors, security camera and wireless access point infrastructure, and industrial network equipment where the industrial-grade temperature rating is required. Designers should budget port power dissipation: at a 30 W PoE+ port the datasheet example shows about 180 mW in the sense element and 108 mW in the external MOSFET at 600 mA, so an appropriate low-Rds(on) external pass MOSFET and sense resistor are key to thermal margin. The QFN-24 exposed pad must be soldered to a grounded copper pour for heat spreading. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet, with pricing as of 2026-10-19.
PD69104B1F - 4-Port PoE Manager, IEEE 802.3af/at | Microchip
The Microchip Technology (formerly Microsemi) PD69104B1F is a 4-port, mixed-signal, high-voltage Power-over-Ethernet (PoE) Manager IC designed for network switches and midspans that deliver both data and DC power over standard Ethernet cabling. It supports IEEE 802.3af and IEEE 802.3at (PoE+) in autonomous or managed modes, integrates four independent power ports in a single 48-pin QFN package, and combines power circuitry, analog current sensing, and a digital control core for detection, classification, and real-time protection per-port. What is a PoE Manager? A PoE Manager (also called a PoE controller or PSE manager) is the central mixed-signal IC inside a Power Sourcing Equipment (PSE) such as a PoE switch or a midspan injector. It sits between the host CPU and the four high-side MOSFETs, supervises each port's detection signature, optional classification finger, inrush ramp, current-limit fold-back, disconnect detection, and AC/DC line-event timing. The PoE Manager category sits within Power over Ethernet controllers -> Power Management ICs, and its main engineering value is replacing discrete analog sense-and-control loops with a deterministic, IEEE-802.3-compliant firmware-controlled state machine per port. Key features include per-port 12-bit current telemetry, programmable current-limit thresholds (configurable up to ~950 mA per port for PoE+ applications), automatic mode, and integrated thermal protection with hardware disable. The PD69104B1/F integrates the analog front end and digital PoE state machine, exposing an I2C interface for host MCU access to telemetry, fault logs, and per-port enable/disable control, eliminating the need for a dedicated supervisory MCU in entry-tier PSE designs. Typical applications include 4- to 24-port managed PoE switches, midspan injectors, IP-camera NVR systems, industrial Ethernet switches, and PoE-powered wireless access points or thin clients. The wide operating voltage window (typical 32 V to 57 V rail) and integrated inrush control reduce external BOM cost by 8-12 components per port versus discrete designs, while the compact QFN-48 footprint enables high-density multi-port board layouts. When designing with this part, keep the high-voltage DC bus (typically -48 V telecom-derived, or +48 V rectified) at least 4 mm away from low-voltage Ethernet traces and place per-port 0.1 µF + 10 µF bypass capacitors as close to the IC power pin as possible; the integrated current sense rejects common-mode noise, but inadequate decoupling on the VMAIN pin will degrade detection accuracy at temperature extremes.
PD69104B1ILQ-TR - 4-Port PoE+ PSE Manager | Microchip Technology
The Microchip Technology (formerly Microsemi) PD69104B1ILQ-TR is a 4-port, mixed-signal, high-voltage Power-over-Ethernet (PoE) Power Sourcing Equipment (PSE) controller housed in a 48-pin QFN (8x8 mm) package. The device supports IEEE 802.3at (PoE+, Type 2, up to 30 W per port) and UPoE modes, and operates from a supply input of 44 V to 57 V typical, enabling network devices to share power and data over a single Ethernet cable. The B1 variant is employed by both Ethernet switches and midspans and integrates power, analog circuitry, and digital control on a single die. A PoE PSE controller (sometimes called a 'PoE manager') is the active device that injects DC power onto specific wire pairs of a Cat-5e/Cat-6 cable while a Powered Device (PD) negotiates its power class. PoE controllers sit at the intersection of the power management IC hierarchy and the interface IC family: they manage high-voltage FETs, perform IEEE 802.3af/at handshakes (detection, classification, inrush, disconnect), and present an I2C/SPI management interface to the host switch CPU. The PD69104B1ILQ-TR targets four-port switch and midspan designs, reducing per-port BOM by integrating four independent current-limited outputs and one shared management interface. Key features include support for 802.3af, 802.3at (Type 2, 30 W), and UPoE (60 W Type 3 over 4-pair) modes, autonomous or host-managed operation via I2C, per-port current limiting, overload and short-circuit protection, and an internal MOSFET gate driver for each port. The 48-QFN EP package provides an exposed thermal pad for improved heat dissipation in 1 Gbit/10 Gbit switch chassis with limited airflow. Architecturally, the PD69104B1 uses four integrated analog front-ends sampling current and voltage per port, a digital engine handling the IEEE 802.3 handshake, and a host-management block exposing status/interrupt pins. Its mixed-signal design eliminates the need for an external MCU per port and lets a single Ethernet switch ASIC orchestrate all four ports. Typical applications include 4-port PoE+ Ethernet switches, industrial midspans, IP-camera and VoIP-phone power sourcing, Wi-Fi access-point switches, and small-cell / IoT gateways requiring class-4 power delivery. The wide 44-57 V input tolerance also supports 48 V telecom and industrial bus rails. Design tip: maintain at least 100 mil of copper pour under the exposed thermal pad and keep the 0.1 uF Vcap bypass within 5 mm of the AGND pin to keep port-noise coupling low. Choose the B1 over the original PD69104 when UPoE (60 W) capability is required; the legacy die is limited to 802.3at. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, giving engineers an engineering-centric reference beyond what the bare Microchip datasheet provides.
PD69201ILD-TR - 1-Port PoE PSE Manager, 802.3at/af | Microchip
The Microchip Technology PD69201ILD-TR is a single-port Power over Ethernet (PoE) Power Sourcing Equipment (PSE) Manager, fully compliant with IEEE 802.3af (PoE) and IEEE 802.3at (PoE+) standards, housed in a 10-pin DFN (4 mm x 3 mm) package. It integrates power, analog, and state-of-the-art logic to deliver up to 30 W of power per port over standard Ethernet cabling while supporting both standard and Legacy Powered Devices (PDs). The device operates from a single 44 V to 57 V supply rail, and its built-in MOSFET drivers allow direct connection to the RJ45 interface with minimal external components. A PoE Manager (often called a PSE Controller) is a specialized mixed-signal IC that sits inside an Ethernet switch or midspan and orchestrates the IEEE 802.3af/at handshake: it performs PD detection (valid 25 kΩ signature), classification (Type 1/2/3, including the 2-event Class-4 LLDP flow for 802.3at), inrush current limiting, and real-time disconnect monitoring. It belongs to the broader category of power management ICs, and more specifically to the Power over Ethernet controller sub-family, which itself sits under Ethernet physical-layer (PHY) companion devices. Key features include support for both AC and DC disconnect detection, integrated current sense with internal MOSFET gate drivers, an I2C/SMBus management interface for host MCU control, programmable current limit and inrush profiles, and industrial temperature range operation from -40 °C to +85 °C. According to the Microchip PD69201 datasheet, the IC also integrates signature removal, automatic maintain full signature (PMV/PME), and 802.3at 2-event classification, allowing seamless delivery of Type-1 (13 W) and Type-2 (25.5 W) power levels. The architecture combines a precision analog front end (AFE) for current/voltage sensing, a digital control core running the 802.3 state machine, and dual integrated N-channel MOSFET gate drivers (one for the port-power path, one for the auxiliary path). On-chip digital logic supports autonomous operation after I2C programming, and the device can be daisy-chained on the SMBus to manage up to 48+ ports with multiple PD69201/PD69204 controllers. Typical applications include managed enterprise Ethernet switches with PoE+ ports, industrial PoE injectors and midspans, IP security cameras (IPCs) and PTZ cameras, wireless LAN access points, VoIP phones, and IoT gateways. The industrial temperature grade and integrated drivers make it equally at home in factory-floor managed switches and outdoor IP cameras. When designing with this device, ensure the upstream DC-DC supply provides 44 V to 57 V with sufficient headroom for the lowest-powered PD, and follow Microchip's reference layout to keep the current-sense traces short. The I2C address is hardware-configurable, so multiple controllers can share a single management bus without collision. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on the manufacturer datasheet, providing context engineers need to evaluate, source, and design in the PD69201ILD-TR.
PD69220C-022419 - 48-Ch PoE PSE MCU, FW 2.24.19 | Microchip
The Microchip Technology PD69220C-022419 is a pre-programmed Power over Ethernet (PoE) Power Sourcing Equipment (PSE) controller MCU, firmware version 2.24.19, housed in a 32-pin LGA (5x5 mm) package. It is designed to pair with the Microchip PD69208M, PD69208T4, and PD69204T4 PSE analog managers to deliver Enhanced-mode PoE control across up to 48 ports (4-pair or 2-pair) at the switch level. A Power over Ethernet (PoE) controller is a specialized mixed-signal IC inside an Ethernet switch that orchestrates detection, classification, power-up, and disconnection of Powered Devices (PDs) over the spare or data pairs of an Ethernet cable. It sits within the power-management IC (PMIC) hierarchy as part of a PoE subsystem, which combines an MCU-style digital controller (PD69220) with one or more analog manager ICs (PD69208x) for current sense and MOSFET gate driving. The combined PSE subsystem complies with IEEE 802.3af, IEEE 802.3at (PoE+), IEEE 802.3bt, and the PoH standard. Key features of the PD69220C-022419 variant include a 32-LGA 5x5 mm footprint compatible with the older PD69200, an ESPI (Enhanced Serial Peripheral Interface) link to the host switch CPU, an integrated firmware image (v2.24.19) that supports legacy PD detection plus Auto and High-power classes, and preloaded algorithms for inrush management, AC/DC disconnect detection, and per-port current limiting. Per-port controlled outputs are managed through the companion PD69208T4 / PD69204T4 managers, not directly by this MCU. Architecturally, the PD69220 is built around an embedded 8-bit MCU core with mask/firmware storage and digital I/O for host communication. The firmware image selected at order time (here, v2.24.19) defines port count support, classification behavior, and other behaviors. Designers can upgrade via later firmware versions such as PD69220C-022419 and PD69220C-022319 by re-spinning a board if the LGA footprint matches. Typical applications include managed enterprise Ethernet switches with PoE+ ports, 802.3bt Type-3/Type-4 PSE midspans and endspans, indoor/outdoor wireless access points, IP surveillance cameras powered over Ethernet, and industrial Ethernet switches that feed Class-8 PoH loads. Designers choose it when they need up to 48 PoE channels controlled by one MCU with a single firmware SKU. For layout, place the 32-LGA thermal pad over a ground pour to dissipate the small controller self-heating. Provide a clean 3.3 V rail and route the ESPI bus as short as possible to the host processor; longer traces should be impedance-controlled. This page synthesizes distributor pricing, drop-in firmware-revision alternatives, and practical design notes not found in the manufacturer datasheet alone.
PD70200ILD-TR - 802.3at PoE PD Controller 57V | Microchip
The Microchip Technology PD70200ILD-TR is an IEEE 802.3af/at Power over Ethernet (PoE) Powered Device (PD) front-end controller with an integrated 0.6 ohm internal pass FET, supporting 48W PoE+ power levels in a 12-pin DFN (4x3 mm) exposed-pad package. A PoE PD interface controller is the analog front end that sits between a Power Sourcing Equipment (PSE) device, such as a network switch, and the powered electronics at the far end of the Ethernet cable. Within the power management IC hierarchy, it performs input rectification control, detection, classification, inrush current limiting, and disconnect identification so the PSE can safely deliver power over the same twisted-pair cabling that carries data. Key features include full IEEE 802.3at (PoE+) and 802.3af (PoE) compliance, dual-event classification detection for Type 2 power negotiation, PGOOD status indication, overcurrent protection, and thermal protection. The integrated 0.6 ohm MOSFET eliminates an external pass device, reducing board area and Bill of Materials cost compared with discrete controller-plus-FET solutions. Architecturally, the PD70200 transmits integrated power and analog status data through a single 12-pin package, handling the IEEE 802.3af/at detection signature (25.5 kohm), class marking, and inrush management autonomously. Its wide 0V to 57V supply range tolerates the full PoE+ PSE voltage envelope, while the low 1 mA operating supply current keeps standby losses minimal. Typical applications include IP security cameras, wireless access points, VoIP phones, and networked LED lighting drivers that must draw power directly from the Ethernet cable. The device is equally suitable for industrial PoE sensors and building-automation endpoints. For design, ensure the thermal pad is well soldered to the PCB copper pour, since the internal FET dissipates conduction losses proportional to I2 x 0.6 ohm at full 48W load. This page adds value beyond the manufacturer datasheet by combining distributor pricing, drop-in alternative analysis, and practical design notes in one reference.
PD70210ILD-TR - 802.3at PoE PD Controller with 0.3 Ohm FET | Microchip
The Microchip Technology PD70210ILD-TR is a single-channel IEEE 802.3at (PoE+) and 802.3af (PoE) Powered Device (PD) front-end interface controller with an integrated 0.3 ohm power MOSFET, housed in a 16-pin DFN (5x4 mm) package. A Powered Device interface controller is the front-end power-management IC in a Power over Ethernet system. It sits between the Ethernet cable (via the transformer center taps and bridge rectifier) and the isolated DC-DC converter inside the powered device, within the broader hierarchy: PoE PD controller -> power management IC -> semiconductor. It performs the detection, classification, inrush control, and disconnect functions mandated by the IEEE 802.3af and 802.3at standards. Key features include support for IEEE 802.3af, 802.3at, HDBaseT, and general 2-pair or 4-pair power configurations; an internal 0.3 ohm pass FET that eliminates an external external pass transistor; and an advanced classification block supporting 2, 3, 4, and 6 event classification for full 802.3at and Power-over-HDBaseT (PoH) negotiation. The IC identifies, via its SUPP_Sx pins, which of the four cable pairs actually receive power and generates the corresponding flags. An internal bleeder rapidly discharges the input capacitor of the downstream DC-DC converter, ensuring fast re-detection and port power-up when the Ethernet cable is suddenly removed and reinserted into the RJ45 jack. Typical applications include IP security cameras, wireless access points, VoIP phones, HDBaseT extenders, and networked industrial equipment powered over 2-pair or 4-pair PoE infrastructures. The integrated FET and full protection set reduce external component count. Design consideration: verify the classification resistor settings against the downstream DC-DC converter power class so the PSE allocates sufficient power, and confirm inrush capacitor sizing per the IEEE timing windows. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.