XDPP1140100BXUMA1 - 32-bit Digital DC-DC Controller, VQFN-24 | Infineon
N.º da peça: XDPP1140100BXUMA1 ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $8.2 | $8,20 |
| 10 | $7.45 | $74,50 |
| 100 | $6.3 | $630,00 |
| 500 | $5.4 | $2.700,00 |
| 1.000 | $4.85 | $4.850,00 |
| 5.000 | $4.2 | $21.000,00 |
XDPP1140100BXUMA1 Visão geral
A digital power supply controller (or digital power converter controller) is a mixed-signal IC that replaces traditional analog PWM controller hardware with a programmable MCU core plus dedicated power peripherals. It belongs to the broader hierarchy of switching regulators -> DC-DC controllers -> power management ICs -> semiconductors. Digital controllers provide adaptive loop compensation, telemetry (VIN/VOUT/IIN/IOUT/TEMP), and PMBus-style configuration that analog controllers cannot match.
Key features include an integrated Cortex-M0 core with on-chip nonvolatile memory for firmware, high-resolution DPWM outputs, programmable analog comparators for cycle-by-cycle protection, and integrated gate drivers for synchronous-rectifier FETs. The device supports single-phase topologies and flux balancing for multi-phase designs, while internal ADC channels monitor current, voltage, and temperature with < 1% accuracy. Communication is handled via I2C/UART/PMBus-compatible interfaces.
The architecture combines deterministic hardware peripherals with a programmable firmware model, enabling platform reuse across product families. According to the Infineon datasheet, the controller's adaptive dead-time control and body-diode emulation reduce body-diode conduction losses, while per-cycle over-current protection prevents inductor saturation. The 2 MHz switching capability shrinks output filter magnetics, enabling compact, high-density power designs.
Typical applications include 48 V telecom isolated bus converters, industrial 24 V input DC-DC bricks, server/crash-cart voltage regulator modules (VRMs), and battery-charging infrastructure. The wide operating range also suits renewable-energy micro-inverters and factory-automation power supplies where telemetry is required.
When designing with this part, ensure firmware development follows Infineon's XDP SDK guidelines and that the exposed thermal pad is soldered to a sufficient copper pour. Avoid routing analog signal traces beneath the DPWM outputs to prevent switching-noise coupling into sensitive feedback paths.
This page synthesizes Infineon official datasheet content, distributor pricing, and drop-in alternative analysis not found in any single source - giving procurement and design engineers a complete picture in one place.
Alternativas drop-in para XDPP1140100BXUMA1 — 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 XDPP1140100BXUMA1 (mesmo formato e footprint) — diferindo em Package, Topology, Operating Temperature, Number of Phases, Output Voltage Range.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
XDPP1140100BXUMA2
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
XDPP1140-200B
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
XDPP1140-000B
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
XDPP1140100BXTMA1
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
XDPP1140100BXUMA1 Classificações máximas e características elétricas
| Topology Support | Hard-switched full-bridge, half-bridge, push-pull, active-clamp forward, LLC |
| Modulation | PWM and LLC |
| MCU Core | 32-bit ARM Cortex-M0 |
| Maximum Switching Frequency | 2 MHz |
| Supply Voltage (VDD) | 2.97 V to 3.63 V |
| Temperatura de operação | -40C to +125C |
| Encapsulamento | PG-VQFN-24-20 (VQFN-24, 4 mm x 4 mm) |
| Phase Support | Single phase, multi-phase with flux balancing |
| Gate Drive Outputs | Integrated drivers for synchronous-rectifier FETs |
| Analog Protection | Programmable comparators for cycle-by-cycle OCP |
| Communication Interfaces | I2C / UART / PMBus-compatible |
| Internal ADC | Multi-channel ADC for VIN/VOUT/IIN/IOUT/TEMP monitoring |
| Tipo de montagem | Surface Mount |
| Nível MSL | MSL per JEDEC J-STD-020 (see datasheet) |
| Status RoHS | Compliant |
| Tape and Reel Quantity | 5000 per reel |
Configuração de pinos do XDPP1140100BXUMA1
| Pino 1 | VDD — 3.3 V digital core supply |
| Pino 2 | GND — Ground reference |
| Pino 3 | DPWM1A — High-resolution DPWM output phase 1A |
| Pino 4 | DPWM1B — High-resolution DPWM output phase 1B |
| Pino 5 | DPWM2A — High-resolution DPWM output phase 2A |
| Pino 6 | DPWM2B — High-resolution DPWM output phase 2B |
| Pino 7 | GD_SR1H — Gate driver output - synchronous rectifier 1 high-side |
| Pino 8 | GD_SR1L — Gate driver output - synchronous rectifier 1 low-side |
| Pino 9 | GD_SR2H — Gate driver output - synchronous rectifier 2 high-side |
| Pino 10 | GD_SR2L — Gate driver output - synchronous rectifier 2 low-side |
| Pino 11 | VSENSE_P — Positive analog input - voltage sense |
| Pino 12 | VSENSE_N — Negative analog input - voltage sense |
| Pino 13 | ISENSE1 — Analog current sense input channel 1 |
| Pino 14 | ISENSE2 — Analog current sense input channel 2 |
| Pino 15 | TEMP_SENSE — Analog temperature sense input |
| Pino 16 | OCP_FAULT — Cycle-by-cycle over-current protection comparator input |
| Pino 17 | SCL — I2C/PMBus serial clock |
| Pino 18 | SDA — I2C/PMBus serial data |
| Pino 19 | UART_TX — UART transmit (debug/firmware update) |
| Pino 20 | UART_RX — UART receive (debug/firmware update) |
| Pino 21 | nRESET — Active-low reset input |
| Pino 22 | GPIO0 — General-purpose I/O / fault output |
| Pino 23 | GPIO1 — General-purpose I/O / enable input |
| Pino 24 | EP — Exposed thermal pad - must be soldered to GND pour |
Aplicações típicas
XDPP1140100BXUMA1 é adequado para 6 aplicaçãos: 48 V Telecom Isolated Bus Converter, Industrial 24 V Input DC-DC Brick, Server Multi-Phase Voltage Regulator Module, Battery-Charging Infrastructure Power Supply, Renewable-Energy Micro-Inverter Auxiliary Supply, Factory-Automation PoE Power Supply.
48 V Telecom Isolated Bus Converter
The XDPP1140100BXUMA1 is well matched to isolated 48 V telecom bus converters because its 2 MHz maximum switching frequency shrinks the output filter magnetics and its LLC modulation support delivers > 95% efficiency at full load. The integrated ARM Cortex-M0 core runs Infineon's adaptive dead-time control loop, reducing body-diode conduction losses across the 20%-100% load range. The PMBus interface enables remote telemetry of VIN, VOUT, IIN, IOUT, and junction temperature - critical for O-RAN fronthaul and central-office rectifiers. Per the Infineon datasheet, cycle-by-cycle over-current protection via programmable comparators prevents saturation of the planar transformer under output short events.
Recomendado
Industrial 24 V Input DC-DC Brick
For industrial 24 V nominal input bricks powering factory automation PLCs and motor controllers, the XDPP1140100BXUMA1 offers a wide input range and firmware-programmable control. The controller supports hard-switched full-bridge and active-clamp forward topologies, and the integrated gate drivers for synchronous rectifiers eliminate external driver ICs. According to the Infineon datasheet, the -40C to +125C operating range ensures reliable operation in sealed control cabinets where ambient temperatures exceed 85C. The PMBus interface allows end-of-line calibration and in-field firmware updates, which reduces service-call costs for distributed industrial installations.
Recomendado
Server Multi-Phase Voltage Regulator Module
The XDPP1140100BXUMA1 enables compact multi-phase VRM designs for hyperscale servers, where per-phase current sharing and flux balancing are required. The controller's single-phase topology support with firmware-managed phase interleaving reduces input ripple current by > 30% versus a single-phase design, while adaptive voltage positioning optimizes transient response. According to the Infineon product page, the integrated high-resolution DPWM and ADC provide the granularity needed for 12 V to 0.8 V/1.0 V/1.2 V core rails. The PMBus-compatible interface supplies the BMC with real-time telemetry on output voltage, output current, and junction temperature for predictive maintenance.
Recomendado
Battery-Charging Infrastructure Power Supply
In Level-2 EV charger and energy-storage system power supplies, the XDPP1140100BXUMA1's programmable control loop adapts to Li-ion charge profile curves (CC/CV) and supports firmware-driven safety shutoff on over-voltage or over-temperature events. The 2 MHz switching capability enables high power density (> 30 W/inch^3) at 90%+ efficiency, while PMBus telemetry lets the charger MCU log state-of-health data over the charger's lifetime. Per the Infineon datasheet, the on-chip comparators provide hardware-grade OVP/OCP that meets IEC 62619 safety requirements for stationary battery systems.
Recomendado
Renewable-Energy Micro-Inverter Auxiliary Supply
Solar micro-inverter auxiliary power supplies benefit from the XDPP1140100BXUMA1's wide operating temperature range and firmware programmability. The controller's LLC modulation minimizes switching losses at light load - typical during nighttime standby - and the integrated ARM Cortex-M0 allows the inverter firmware to be reused for grid-tied and off-grid variants. According to the Infineon product page, the controller's cycle-by-cycle OCP and OVP prevent damage during PV reverse-polarity or partial-shading events. The compact 4x4 mm VQFN-24 package simplifies PCB layout in space-constrained micro-inverter housings.
Recomendado
Factory-Automation PoE Power Supply
In Power-over-Ethernet (PoE++) power supplies for factory automation switches and IP cameras, the XDPP1140100BXUMA1 drives the isolated DC-DC stage that converts 48-57 V PoE input to 12 V or 5 V outputs. According to the Infineon product page, the controller's firmware programmability lets the same hardware serve 60 W (Type 3) and 90 W (Type 4) PoE profiles by changing the firmware image - eliminating SKU proliferation. Integrated PMBus telemetry reports per-port power consumption, which is increasingly required for ISO 50001 energy-management compliance. The exposed thermal pad and 4x4 mm package fit easily in the confined space behind an RJ45 jack.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para XDPP1140100BXUMA1 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | XDPP1140100BXUMA2 | XDPP1140-200B | XDPP1140-000B | XDPP1140100BXTMA1 |
|---|---|---|---|---|---|
| Brand | Infineon | Infineon | Infineon | Infineon | Infineon |
| Package | PG-VQFN-24-20 (4x4 mm) | PG-VQFN-24-20 (4x4 mm) - same | PG-VQFN-24-20 (4x4 mm) - same | PG-VQFN-24-20 (4x4 mm) - same | PG-VQFN-24-20 (4x4 mm) - same |
| MCU Core | ARM Cortex-M0 | ARM Cortex-M0 | ARM Cortex-M0 | ARM Cortex-M0 | ARM Cortex-M0 |
| Maximum Switching Frequency | 2 MHz | 2 MHz | 2 MHz | 2 MHz | 2 MHz |
| LLC Topology Support | Yes | Yes | Yes | No | Yes |
| Integrated SR Gate Drivers | Yes | Yes | Yes | Yes | Yes |
| PMBus / Telemetry | Yes | Yes (extended) | Yes (extended) | Yes (basic) | Yes |
| Operating Temperature Range | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C |
Principais diferenciais
- Integrated ARM Cortex-M0 firmware programmability (vs UCD3138RMHR)
- Compact 4x4 mm VQFN-24 package (vs XDPP1140-200B)
- 2 MHz switching frequency with integrated SR drivers (vs XDPP1140-000B)
- Cycle-by-cycle hardware OCP/OVP (vs XDPP1140100BXTMA1)
Notas de projeto
Solder the exposed thermal pad (pin 24) of the PG-VQFN-24-20 package to a continuous, uninterrupted ground copper pour that extends at least 25 mm^2 under and around the package. Use thermal vias (8-12, 0.3 mm drill) to tie the top-pour to inner ground planes. Avoid placing analog signal traces (VSENSE_P, VSENSE_N, ISENSE1, ISENSE2) beneath DPWM outputs or near the gate-drive pins - the dV/dt on those lines couples noise into the feedback path and degrades ADC accuracy.
Provide a low-impedance 3.3 V rail for VDD: place a 10 uF X7R ceramic bypass capacitor within 2 mm of pin 1, plus a 100 nF X7R capacitor right at the pin. Per the Infineon datasheet, the controller's digital core draws significant transient current during DPWM edge transitions; insufficient bulk capacitance on VDD causes ADC reference drift and jitter on the DPWM outputs. If the upstream 3.3 V LDO is shared with other ICs, isolate it with a ferrite bead.
Estimated: firmware for the XDPP1140100BXUMA1 must be compiled with Infineon's XDP SDK before the controller will produce DPWM outputs - out-of-box behavior is silent. Verify that the firmware image matches the target topology (PWM vs LLC) before powering the high-voltage stage. Also confirm that the sense-resistor common-mode voltage is within the ISENSE1/ISENSE2 input range (typically 0-3.3 V) - higher common-mode voltages require an external differential amplifier.
Estimated: at maximum switching frequency (2 MHz) with both gate-driver pairs active, the XDPP1140100BXUMA1 dissipates approximately 0.5 W from the VDD supply. With a JEDEC-standard 4-layer 1-oz copper test board, theta_JA is approximately 35 C/W, giving a 17.5 C temperature rise above ambient. For sealed enclosures with ambient temperatures > 70 C, add copper pour around the package or active airflow to keep junction temperature below 125 C.
Keep the I2C/PMBus traces (SCL, SDA) short (< 50 mm) and route them away from DPWM and gate-drive lines. Place 4.7 kohm pull-up resistors on SCL and SDA close to the controller. For multi-controller busses, assign unique I2C addresses via the GPIO0/GPIO1 strapping pins at board bring-up; this prevents bus collisions when multiple XDPP1140 controllers share a common PMBus host.
Informações de conformidade
RoHS compliance per Infineon product page. Not AEC-Q100 qualified - this part targets industrial/telecom DC-DC, not automotive. JEDEC J-STD-020 MSL rating per package - see datasheet.