Product overview
Key Benefits
Flexible 8 channel MOSFET pre driver for 48 V systems designed to comply with ISO21780
HS/LS, H-bridge, and peak & hold configurable for a wide range of automotive system needs.
Advanced diagnostics for reliable automotive application
Per‑channel SPI diagnostics, BIST, HWSC, and watchdog boost system safety.
Robust 48 V automotive load driving
Drives relays and resistive and inductive loads with smart overcurrent protection.
描述
The L98GD8E is an 8-channel MOSFET pre-driver configurable for low-side, high-side, peak and hold and H-Bridge load control. It is designed to comply with the requirements of automotive passenger vehicles with 12 V and 48 V battery systems, as well as automotive commercial vehicles with 24 V battery systems.
All outputs can be PWM controlled. Six outputs are capable of driving safety relevant loads. One output can be dedicated to the actuation of safety relevant loads requiring a dedicated enable pin (EN6).
The device offers the possibility of controlling two independent H-Bridges.
The device can also drive up to two loads requiring "peak & hold" control strategy.
The driver outputs are protected against short circuit condition.
The device protects the external MOS in case of an overcurrent event.
Each output provides full diagnostic information such as short to battery, short to ground and open-load. Each output status can be constantly monitored through dedicated SPI registers.
The voltage slew rate of the external transistors 1-8 is controlled during turn ON and turn OFF in order to improve EMI behavior.
A double, redundant, external disable source is available through DIS and NDIS pins in order to improve safety.
The device is configurable via SPI through a 32-bit protocol.
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All features
- AEC-Q100 qualified
- Designed to meet ISO21780
- 48 V, 24 V, 12 V battery systems compliance
- 3.3 V and 5 V logic compatible I/O
- 8-channel configurable MOSFET pre-driver
- High-side (N-channel and P-channel MOS)
- Low-side (N-channel MOS)
- H-bridge (up to 2 H-bridge)
- Peak & Hold (2 loads)
- Operating battery supply voltage 3.8 V to 70 V
- Operating VDD supply voltage 4.5 V to 5.5 V
- Programmable gate charge/discharge currents for improving EMI behavior
- Individual diagnosis for:
- Short circuit to battery
- Open load
- Short circuit to ground
- Highly flexible overcurrent sensing implementation
- Possibility of monitoring external MOS drain to source voltage
- Possibility of monitoring voltage on external shunt resistor
- 64 programmable overcurrent thresholds independent for each channel
- Ultra-fast output shutdown in case of overcurrent
- Current limitation for H-Bridge configuration
- 32-bit SPI protocol available for configuration and diagnostics
- Failures latched even if they occur during diagnostics reading
- Daisy chain operation
- SDO protected against overvoltage
- Safety features
- Fast switch off redundant output disable by two external pins
- Built In Self Test (BIST) for logic operation
- Hardware Self Check (HWSC) for VDD5 overvoltage comparator
- Configurable Communication Check (CC) watchdog timer available
- Disable feedback by bi-directional pin
- Highly redundant output monitoring by dedicated SPI registers
- 10-bit ADC for battery and die temperature measurements available by SPI
- VDD5 monitoring for over/under voltage
- VPS (battery) monitoring for under voltage
EDA Symbols, Footprints and 3D Models
STMicroelectronics - L98GD8E
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Quality and Reliability
| Part Number | Marketing Status | Package | Grade | 符合RoHS级别 | Longevity Commitment | Longevity Starting Date | Material Declaration** |
|---|---|---|---|---|---|---|---|
| L98GD8ETR | Active 产品已量产 | TQFP-EP 64 10x10x1.0 mm | Automotive | Ecopack2 | - | - | |
L98GD8ETR
Package:
TQFP-EP 64 10x10x1.0 mmMaterial Declaration**:
(**) 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。
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Sample & Buy
| Part Number | 供货状态 | Budgetary Price (US$)*/Qty | 从ST订购 | Order from distributors | Package | Packing Type | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating temperature (°C) | Operating Temperature (°C) (max) | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 最小值 | 最大值 | |||||||||||||
| L98GD8ETR | | | distributors 无法联系到经销商，请联系我们的销售办事处 | |||||||||||
L98GD8ETR Active