MLX83203-MLX83202 Automotive 3-Phase BLDC Pre-Driver
Datasheet
1. Features and Benefits
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3-phase BLDC gate driver
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Integrated current sense amplifier
Level shifting between MCU PWM
outputs and 3 external half-bridges
Compatible with 3.3V-5V microcontrollers
Low offset and low offset drift
Fast settling time < 1µs
Programmable gain: 8x-48x
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Supporting different driver strength
Extensive diagnostics
MLX83203: 1.00A gate drivers
MLX83202: 0.33A gate drivers
Under/over voltage detection
Over temperature warning
Programmable VDS monitoring
VGS monitoring
Supported supply voltage range
Absolute maximum rating: 45V
Operating range: 4.5V-28V
12V-28V Battery systems
Automotive qualified for 12V
Sleep mode with current <30µA
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Serial, PWM diagnostics interface
Configurable diagnostics
Full diagnostic feedback
Customer configurable EEPROM
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Two charge pump configuration modes for
Driver configuration
Diagnostics configuration
Low voltage operation
Reverse polarity N-FET protection
Small package
High-side gate drivers with bootstrap circuits
32-pin QFN-EP, AEC-Q100 grade 1
qualification (TJ=150˚C)
Wettable flanks
Integrated 12V voltage regulator
Supports 6x 350nC N-FETs at 20kHz PWM
Supports 100% PWM operation
2. Application Examples
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Automotive 12V BLDC applications
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Industrial BLDC motor drivers up to 28V
Water pump / Oil pump / Fuel pump
Engine Cooling fan
HVAC blower / compressor
Pumps
Fans
Blowers / compressors
3. Ordering Information
Product
Temperature
Package
Option Code Packing Form
MLX83203
MLX83202
K (-40°C to 125°C) LW (QFN32-EP 5x5mm wettable flanks)
K (-40°C to 125°C) LW (QFN32-EP 5x5mm wettable flanks)
DBA-000
DBA-000
RE (Reel)
RE (Reel)
Ordering Example: “MLX83203KLW-DBA-000-RE”.