TLE9189QUW TLE9189QUW is an advanced gate driver IC designed for controlling six external N-channel power MOSFETs for 3-phase motor drive applications in the automotive sector with ISO26262 ASIL D compliance.
Overview
MOTIX™ TLE9189 gate driver IC for BLDC motors has a conventional motor control concept via PWM input and 3 integrated current sense amplifiers for accurate current measurement with a precise configurable reference voltage (3.3 V/ 5 V). The adaptive MOSFET control feature helps improve EMC performance, achieve target switching time and reduce power losses. The supply voltage range (4,2 V to 36 V) is optimized for automotive 12 V battery systems.
Summary of Features
- Drives 6 MOSFETs, Qgtot= 200 nC/MOSFET
- Supply voltage range of 4,2 V to 36 V
- 0..100% duty cycle w/o restrictions
- Motor control concept with PWM input
- Robust motor connection pins (12 V-48 V)
- 3 integrated current sense amplifiers
- Configurable reference voltage for CSA
- Support of self-test features
- Passive clamping of external FETs
- Current source-controlled output stage
- TQFP-48 (9x9 mm2)
- Diverse monitoring & diagnostics
Benefits
- Reduced external component count
- Optimized system cost
- Fully operational down to 4,2 V supply
- Configurable failure reactions
- Extended temperature range AEC-Q100
- ISO26262 FuSa-compliant: ASIL D
Potential Applications
- Electric power steering
- Electric brake & brake assist
- Transmissions
- FuSa-related BLDC motor control
- FuSa-related PMSM motor control
Diagrams
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