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The L99ASC03 is a multifunctional system IC designed for three-phase motor control applications.
The device features a voltage regulator to supply an external microcontroller and an operation amplifier for motor current sensing. It is designed to control six externalN-channel MOSFETs in bridge configuration to drive three-phase motors in automotive applications. All gate driver outputs are controlled by separate inputs.
The integrated Serial Peripheral Interface (SPI) makes it possible to adjust device parameters, control all operating modes and read out diagnostic information.主要特性
- Automotive qualified
- 5 V low-drop voltage regulator (200 mA continuous mode)
- Very low current consumption in standby mode (typ. 15 μA)
- ST SPI interface for control and diagnostics
- Window watchdog and fail-safe functionality
- Two separate power supply pins
- Three half-bridge drivers to control external MOSFETs (configurable by SPI)
- Full drive of external MOSFETs down to 6 V input voltage
- Input pin for each gate driver (with cross-current protection)
- Two-stage charge pump supporting 100% duty cycle
- PWM operation up to 80 kHz (not restricted)
- Current-sense amplifier (configurable by SPI)
- Disable input to turn off gate driver outputs
- Analog multiplexer output to monitor external power supply voltages and internal junction temperature
- Advanced BEMF detection IP
- Overcurrent protection (programmable)
- Drain-source monitoring and open-load detection
- TQFP48 7 x 7 x 1 mm with Exposed Pad (4.5 x 4.5 mm) package
样片和购买
| 产品型号 | 封装 | 包装类型 | 温度（ºC） | 供货状态 | ECCN (US) | Country of Origin | Budgetary Price (US$)*/Qty | 从ST订购 | 从分销商订购 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 最小值 | 最大值 | |||||||||
| L99ASC03 | TQFP 48 7x7x1.0 | Tray | - | - | NRND | EAR99 | PHILIPPINES | 查看供货情况 | ||
| L99ASC03TR | TQFP 48 7x7x1.0 | Tape And Reel | - | - | NRND | EAR99 | PHILIPPINES | 查看供货情况 | ||
L99ASC03
封装
TQFP 48 7x7x1.0包装类型
TrayBudgetary Price (US$)*/Qty
L99ASC03TR
封装
TQFP 48 7x7x1.0包装类型
Tape And ReelBudgetary Price (US$)*/Qty
| 产品型号 | 供货状态 | 封装 | 等级规格 | 符合RoHS级别 | 材料声明** |
|---|---|---|---|---|---|
| L99ASC03 | NRND | TQFP 48 7x7x1.0 | Automotive | Ecopack2 | |
| L99ASC03TR | NRND | TQFP 48 7x7x1.0 | Automotive | Ecopack2 | |
L99ASC03
Package:
TQFP 48 7x7x1.0Material Declaration**:
L99ASC03TR
Package:
TQFP 48 7x7x1.0Material 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 。
