解决方案说明
The Automotive market is increasingly demanding higher fuel efficiency, reduced CO2 emissions and improved reliability. The use of electric pumps, integrating or substituting mechanical ones, helps address these needs thanks to reduced friction hydraulic losses and power on-demand
A leading automotive supplier, ST offers a solution for 12V electric BLDC motors for water, coolant, oil and fuel pumps
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主要产品优势
Based on the EVAL-L99ASC03 evaluation board designed for sensorless 3-phase BLDC motor control, the system features enhanced power management power supply functions including various standby modes. The motherboard, based on an STM8 microcontroller, provides the logic section for monitoring and driving the L99ASC03G 3-phase motor pre-driver assembled in the daughterboard
The proposed kit is a valid tool allowing the evaluation of the L99ASC03G versus customer’s needs.
Developers can easily evaluate their brushless DC motor control solution for a variety of circulation and booster pump applications for coolant, water, fuel or oil lines.
L99ASC03G, a highly integrated 3-phase motor pre-driver embedding:
- Voltage regulator to supply and supervise electronic control units
- A proprietary back-EMF detection algorithm allowing a sensor-less BLDC motor drive implementation
- Programmable gain current sense amplifier
- Simplified control and diagnostic thanks to SPI interface
ST also provides dedicated user-friendly software with a Graphic User Interface (GUI) that enables the user to set L99ASC03G parameters while displaying device information in real time.…
Estimated cost
All Evaluation Features
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- Two separated and signal shielded stages: driver & power
- ISO pulse protection (not soldered)
- Reverse polarity protection available on each battery voltage input: Vs, VSREG, power stage
- Current reference comparator
- PCB temperature sensor
- Hall sensors connector and conditioning circuit
- INH_wake-up button
- Microcontroller configured to be supplied by L99ASC03 5V LDO
- Flash mode configurable
- Compatible with external power boards
Automotive Analog and Power
Diodes and Rectifiers
| 产品型号 | 描述 |
|---|---|
| STPS40L45C-Y | 汽车级46 V、40 A双路低压降功率肖特基整流器 |
| STPS41H100C-Y | 汽车级100 V、40 A双路功率肖特基整流器 |
Power Transistors
| 产品型号 | 描述 |
|---|---|
| STD134N4F7AG | 汽车级N沟道40 V、2.5 mOhm典型值、80 A STripFET F7功率MOSFET，DPAK封装 |
| STL140N4F7AG | 汽车级N沟道40 V、2.1 mOhm典型值、120 A STripFET F7功率MOSFET，PowerFLAT 5x6封装 |
| STL190N4F7AG | 汽车级N沟道40 V、1.68 mOhm典型值、120 A STripFET F7功率MOSFET，PowerFLAT 5x6封装 |
| STL210N4F7AG | 汽车级N沟道40 V、1.3 mOhm典型值、120 A STripFET F7功率MOSFET，PowerFLAT 5x6封装 |
Protection Devices
| 产品型号 | 描述 |
|---|---|
| SM30TY | 汽车级3000 W TVS，SMC封装 |
EDA符号、封装和3D模型
STMicroelectronics - SL-MCIMC01002V1
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