产品概述
描述
The L99H92 is designed to drive 4 external N-channel MOS transistors, in single H-bridge or dual independent half-bridge configuration, for DC-motor control in automotive applications. Two free configurable current sense amplifiers are integrated.
The device has a low power mode (standby mode) where the current consumption is less than 5 µA.
Programmable gate driving current allows minimizing EMI. Each gate driver monitors independently its external MOSFET drain-source voltage for fault conditions.
Programmable crosscurrent protection time avoids concurrency of high-side and low-side activation for each half-bridge.
Two off-state diagnostic comparators detect potential short to ground, short to battery or open load conditions.
The integrated standard serial peripheral interface (SPI) controls the device and provides diagnostic information. An additional DIAGN output pin alerts the microcontrollers of a fault occurred into the device faster than the SPI communication.
The L99H92 device implements diagnostic and protection features such as supply voltage monitoring, charge pump voltage monitoring, overcurrent protection, temperature warning and over-temperature shutdown.
The device is hosted in either a TQFP32 or QFN32 package, both with the exposed pad. QFN32 has wettable flanks for easy visual inspection of the solder joint.
-
所有功能
- AEC-Q100 qualified
- RoHs compliant device
- Power supply operating range from 4.51 V to 28 V (gate drivers operative from 5.41 V)
- 3.3/5 V compatible I/Os
- All pins linked to the microcontroller, fail-safe input and VDD are made tolerant to battery exposure
- Dual half-bridge driver compatible with standard level threshold MOSFETs
- Configurable full-bridge or dual independent half-bridges control
- Programmable recirculation path in case of full-bridge control
- Dual stage charge pump supporting 100% PWM duty cycle down to 5.41 V battery voltage
- High-side and low-side minimum VGS = 6.2 V at VDH = 5.5 V and charge pump load current (ICPLOAD) equal to 5 mA
- High-side and low-side minimum VGS = 8.2 V at VDH > = 8 V and charge pump load current (ICPLOAD) equal to 10 mA
- Charge pump output available for driving an external reverse battery MOSFET protection
- Programmable gate driving current (up to 170 mA) for output voltage slew rate control
- Programmable drain-source monitoring for overcurrent protection and programmable crosscurrent protection time (dead-time)
- Open load and output short-circuit detection in off-state diagnostic mode
- SPI for control and diagnosis (ST SPI 4.1)
- Programmable diagnostic output
- Two independent current sense amplifiers
- Low offset with extremely low thermal drift
- Suitable for high-side, in-line, and low-side current sensing
- Independently programmable gain (10x, 20x, 50x, 100x)
- Analog output centered at VDD/2 or VDD/22
- Over temperature prewarning and shutdown
- Analog and digital power supply inputs over/under voltage protections
- Asynchronous and logic independent fail-safe input to switch off all the MOSFETs
- Low quiescent current
EDA符号、封装和3D模型
STMicroelectronics - L99H92
Speed up your design by downloading all the EDA symbols, footprints and 3D models for your application. You have access to a large number of CAD formats to fit with your design toolchain.
Please select one model supplier :
符号
封装
3D模型
质量与可靠性
| 产品型号 | Marketing Status | 封装 | 等级规格 | 符合RoHS级别 | 材料声明** |
|---|---|---|---|---|---|
| L99H92Q5-TR | 批量生产 | QFN-32L WF | 汽车应用 | Ecopack2 | |
| L99H92QF-TR | 批量生产 | TQFP 32 7x7x1.0 | 汽车应用 | Ecopack2 |
(**) st.com上提供的材料声明表单可能是基于包装系列中最常用的封装的通用文档。因此，它们可能不是100%适用于特定的设备。有关特定设备的信息，请联系 销售支持。
样片和购买
| 产品型号 | 供货状态 | Budgetary Price (US$)*/Qty | 从ST订购 | Order from distributors | 封装 | 包装类型 | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | 温度（ºC） | Operating Temperature (°C) (min) | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 最小值 | 最大值 | |||||||||||||
| L99H92QF-TR | | | distributors 无法联系到经销商，请联系我们的销售办事处 | TQFP 32 7x7x1.0 | Tape and Reel | MALAYSIA | EAR99 | NEC | - | - | - | |||
| L99H92Q5-TR | | | distributors 无法联系到经销商，请联系我们的销售办事处 | QFN-32L WF | Tape and Reel | PHILIPPINES | EAR99 | NEC | - | - | - | |||
L99H92QF-TR 批量生产
L99H92Q5-TR 批量生产