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PM8834TR

Dual Low-Side Gate Driver, 4A output, 4.5-18V bias, SOIC-8

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Manufacturer Part：

PM8834TR

Package：

SOIC-8 (4.9 x 3.9 x 1.75 mm)

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Description

Product Overview

The PM8834TR is a dual low-side gate driver from STMicroelectronics designed to drive two N-channel MOSFETs or IGBTs in half-bridge, synchronous buck, or other power converter topologies. It features 4A source/sink output current, very fast propagation delay, and independent enable pins for each channel, packaged in a compact SOIC-8 for space-constrained applications.

Key Specifications

Number of Channels 2 (independent)
Output Current 4A source/sink
Input Voltage Range 3.3V to 5V logic
Bias Voltage Range 4.5V to 18V
Propagation Delay 50ns typical
Rise Time 20ns typical (1nF load)
Fall Time 15ns typical (1nF load)
Operating Temperature -40C to +125C
Package SOIC-8

Features

  • Dual independent low-side gate drivers
  • 4A peak source and sink current
  • Very fast propagation delay (50ns)
  • TTL/CMOS compatible inputs with hysteresis
  • Independent enable pins for each channel
  • UVLO protection on bias supply
  • Wide operating temperature range

Applications

  • Half-bridge and full-bridge converters
  • Synchronous buck converters
  • Motor drive applications
  • Switching power supplies
  • Solar inverter gate drive

The PM8834TR from STMicroelectronics is a dual low-side gate driver designed to drive two N-channel MOSFETs or IGBTs. Each channel provides 4A peak output current with 50ns propagation delay, enabling efficient switching in power conversion applications. Independent enable pins and TTL/CMOS compatible inputs with hysteresis offer flexible control. UVLO protection prevents operation at insufficient bias voltage. The SOIC-8 package provides a compact solution for space-constrained designs.

The PM8834TR consists of two independent gate driver channels, each with an input buffer with hysteresis, level shifter, and a high-current output stage. The input logic signals are level-shifted to the driver supply voltage domain. The output stage uses complementary MOSFETs to source and sink current to the gate of the external power switch. The 4A peak drive capability ensures fast charging and discharging of the power MOSFET gate capacitance, minimizing switching losses. Each channel has an independent enable pin that forces the output low when disabled. The UVLO circuit holds the outputs low until the bias supply exceeds the threshold voltage.

Pin Name Type Function
1 OUTA Output Channel A gate drive output
2 GND Power Ground
3 INA Input Channel A input
4 ENA Control Channel A enable (active high)
5 ENB Control Channel B enable (active high)
6 INB Input Channel B input
7 VDD Power Bias supply (4.5-18V)
8 OUTB Output Channel B gate drive output
  • Half-bridge DC-DC converter gate drive
  • Synchronous buck converter MOSFET drive
  • Motor drive and inverter gate drive
  • Solar micro-inverter switching stage
  • LED driver power stage gate control
Manufacturer Part Number Package Notes
Texas Instruments UCC27524DR SOIC-8 Dual 5A low-side driver
onsemi NCP5156DR2G SOIC-8 Half-bridge driver
Infineon 2EDN7524R DSO-8 Dual low-side 4A driver
STMicroelectronics PM8834TRT TSSOP-8 Smaller footprint version
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We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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