Automotive H-Bridge Gate Driver, TMI8722-Q1 Replace DRV8702-Q1.
TMI8722-Q1
TMI8722-Q1.pdf
TMI8722-Q1.pdfFEATURES
• 符合面向汽车应用的 AEC-Q100 标准：
– 温度等级 1：–40°C 至 +125°C，TA
• 5.5V 至 38V 工作电压范围
• 单通道 H 桥栅极驱动器
– 驱动 4 个外部 N-MOSFET
– 支持 100% PWM
• 三种控制模式可选
– PWM
– PH/EN
– 独立半桥
• 栅极驱动能力
– 峰值驱动 source 电流：10mA 到 220mA
– 峰值驱动 sink 电流：20mA 到 440mA
• 支持 1.8V，3.3V，5V 逻辑输入
• 超低功耗睡眠模式
• 保护特性
– VM 欠压锁定(UVLO)
– 电荷泵欠压保护(CPUV)
– VDS 过流保护(OCP)
– VGS 栅极故障保护(GDF)
– 故障指示引脚(nFAULT)
– 热关断(TSD)
• 封装尺寸
– QFN5x5-32
PIN CONFIGUTION
优势替代
FEATURES
• AEC-Q100 Qualified for Automotive Applications
– Device Temperature Grade 1: –40°C to +125°C
Ambient Operating Temperature
• Functional Safety-Capable
– Documentation available to aid DRV8702-Q1
DRV8703-Q1 functional safety system design
• Single H-Bridge Gate Driver
– Drives Four External N-Channel MOSFETs
– Supports 100% PWM Duty Cycle
• 5.5 to 45-V Operating Supply-Voltage Range
• Three Control-Interface Options
– PH/EN, Independent H-Bridge, and PWM
• Serial Interface for Configuration (DRV8703-Q1)
• Smart Gate Drive Architecture
– Adjustable Slew-Rate Control
• Independent Control of Each H-Bridge
• Supports 1.8-V, 3.3-V, and 5-V logic inputs
• Current-Shunt Amplifier
• Integrated PWM Current Regulation
• Low-Power Sleep Mode
• Protection Features
– Supply Undervoltage Lockout (UVLO)
– Charge-Pump Undervoltage (CPUV) Lockout
– Overcurrent Protection (OCP)
– Gate-Driver Fault (GDF)
– Thermal Shutdown (TSD)
– Watchdog Timer (DRV8703-Q1)
– Fault-Condition Output (nFAULT)
PIN CONFIGUTION
