مدار مجتمع (آی سی) آی‌سی مدیریت توان (پی‌ام‌آی‌سی) درایور گیت

Product Attributes

Introduction

DR702Q/703Q are smart single H-bridge drivers designed for automotive applications, capable of simultaneously driving four external N-channel MOSFETs to control a bidirectional brushed DC motor. The DR702Q supports a hardware configuration interface, while the DR703Q supports an SPI configuration interface. Both devices support PH/EN, independent H-Bridge, and standard PWM interfaces, enabling multiple motor control modes including forward rotation, reverse rotation, slow brake, and coast. In addition, the integrated charge pump architecture supports 100% duty cycle output and can also be used to drive an external battery reverse-polarity protection switch. The DR702Q/703Q can also sequentially control multiple DC motors in a cost-effective manner via independent half-bridge mode.

The DR702Q/703Q integrate a current sense amplifier and include the capability to regulate winding current using fixed off-time PWM current chopping. Through integrated smart gate driver modules, the DR702Q/703Q protect external FETs without requiring any additional external gate components such as resistors and Zener diodes. The DR702Q/703Q combine protection features with gate drive configurability to simplify design and elevate the intelligence of motor systems to a new level. For example, configurable dead-time optimization prevents shoot-through, active/passive pull-down, and DV/DT gate turn-on; programmable slew rate control provides flexibility in reducing EMI. The DR702Q/703Q also integrate various protection features — UVLO, CPUV, OCP, TSD, GDF, watchdog timer, and more.

Features

• Automotive-grade AEC-Q100 certified, temperature grade 1: -40℃ to 125℃ operating ambient temperature
• Single H-bridge gate driver for four external N-channel MOSFETs, supports 100% PWM duty cycle
• Supply voltage range: operating voltage 5.5V to 45V, maximum absolute rating 55V
• Three control modes: PH/EN, independent H-bridge, and standard PWM
• SPI interface (DR703Q)
• Smart gate drive architecture with adjustable slew rate control and adjustable output dead time
• Supports 1.8V, 3.3V, and 5V logic inputs
• Integrated current sense amplifier
• Integrated PWM current regulation
• Low-power sleep mode
• Protection features: UVLO, CPUV, OCP, gate driver fault (GDF), TSD, watchdog timer (DR703Q), nFAULT status output pin

Applications

• Power window lifters, sunroofs, seats, sliding doors, and tailgates
• Relay driving
• Electric parking brake (EPB)
• DC brushed pumps