Automotive H-Bridge Gate Driver, TMI8722-Q1 Replace DRV8702-Q1.
TMI8722-Q1
TMI8722-Q1.pdf
TMI8722-Q1.pdfFEATURES
? 符合面向汽車應用的 AEC-Q100 標準：
– 溫度等級 1：–40°C 至 +125°C，TA
? 5.5V 至 38V 工作電壓范圍
? 單通道 H 橋柵極驅動器
– 驅動 4 個外部 N-MOSFET
– 支持 100% PWM
? 三種控制模式可選
– PWM
– PH/EN
– 獨立半橋
? 柵極驅動能力
– 峰值驅動 source 電流：10mA 到 220mA
– 峰值驅動 sink 電流：20mA 到 440mA
? 支持 1.8V，3.3V，5V 邏輯輸入
? 超低功耗睡眠模式
? 保護特性
– VM 欠壓鎖定(UVLO)
– 電荷泵欠壓保護(CPUV)
– VDS 過流保護(OCP)
– VGS 柵極故障保護(GDF)
– 故障指示引腳(nFAULT)
– 熱關斷(TSD)
? 封裝尺寸
– QFN5x5-32
PIN CONFIGUTION
優勢替代
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
