TRINAMIC’s TMC6140-LA fully-integrated 3-phase MOSFET gate driver helps to simplify designs and maximize the battery life of an application. Providing a complete solution, the BLDC gate driver integrates bottom shunt amplifiers for 30% improved power efficiency while reducing the component count by 50% compared to similar solutions.
Developed for servo motors, brushless motors, and PMSM motors, the chip’s design works over a wide voltage range. Charge pumps statically stabilize the gate voltages of external MOSFETs up to 100 A coil current, for both the low-side drivers and gate drivers. For applications at 15 V or lower the switching regulator output can be used to stabilize the power supply. The TMC6140 maintains the output signals to ensure consistent operation and extended battery life. Integrated shunt amplifiers provide current sensing for status information, while an analog programmable short detection and diagnostic output reports status back to the host.
Features
- 3-phase motors up to 100 A coil current (external MOSFETs)
- Voltage range: 5 VDC to 30 VDC
- Gate drive: 0.5 A or 1.0 A
- 3V3 switching regulator (0.5 A) with internal Schottky diode (up to 100 mA)
- Charge pump pin to utilize buck converter for step-up converter
- Three bottom shunt amplifiers
- Analog programmable short detect
- Two low-power modes with 0.25 mA standby current consumption
- Diagnostics output via UART-TxD
Applications
- Industrial drives
- Power tools
- Robotics
- Textile machines
- Factory automation
- Laboratory automation
- Pumps
- Fans
- Battery-operated devices
- Hand-held devices
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TRINAMIC’s TMC6140-LA fully-integrated 3-phase MOSFET gate driver helps to simplify designs and maximize the battery life of an application. Providing a complete solution, the BLDC gate driver integrates bottom shunt amplifiers for 30% improved power efficiency while reducing the component count by 50% compared to similar solutions.
Singapore