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Renesas Electronics Corporation
3-Phase Smart Gate Driver for BLDC Motor Applications

Package Information

CAD Model:View CAD Model
Pkg. Type:QFN
Pkg. Code:LUY
Lead Count (#):48
Pkg. Dimensions (mm):7.0 x 7.0 x 0.75
Pitch (mm):0.5

Environmental & Export Classifications

Moisture Sensitivity Level (MSL)3
Pb (Lead) FreeYes
ECCN (US)EAR99
HTS (US)8542.39.0090

Product Attributes

Pkg. TypeQFN
Lead Count (#)48
Carrier TypeReel
Moisture Sensitivity Level (MSL)3
Pb (Lead) FreeYes
Pb Free CategoryPb-Free 100% Matte Tin Plate w/Anneal-e3
Temp. Range (°C)-40 to +125°C
Adaptive Dead TimeYes
Advanced Fault ProtectionYes
Charge PumpYes
Function3 Phase BLDC Driver
Gate Drive (V)15
ISINK (Max) (mA)1280
ISOURCE (Max) (mA)640
Input ControlHI/LI or PWM
Input Logic Level1.5V/TTL
Input Voltage (Max) (V)78
Input Voltage Range (V)4.5 - 60
Intern Gain Amplifiers3
Internal Auxiliary PowerLDO (5V or 3.3V) 100mA
Internal Buck RegulatorBuck 500mA
Internal Sample & HoldYes
Length (mm)7
MOQ2500
Parametric Category3-Phase MOSFET Drivers, 3-Phase FET Drivers
Pitch (mm)0.5
Pkg. Dimensions (mm)7.0 x 7.0 x 0.75
Qualification LevelStandard
Quiescent Current20 µA
Slew Rate ControlYes
Thickness (mm)0.75
VBIAS (Max) (V)65
VOUT Slew-rate ControlYes
Width (mm)7

Description

The RAA306012 is a smart gate driver for 3-phase brushless DC (BLDC) motor applications. It integrates three half-bridge gate drivers that are capable of driving up to three N-channel MOSFET bridges and supports bridge voltages from 6V to 65V. Each gate driver supports up to 0.64A source and 1.28A sink peak drive current with adjustable drive strength control. Adaptive and adjustable dead times are implemented to ensure robustness and flexibility. The active gate holding mechanism prevents Miller effect induced cross-conduction and further enhances robustness.

The device integrates power supplies that power internal analog and logic circuitry, high-side/low-side gate drivers, and a dedicated supply for powering external microcontrollers. The RAA306012 also features a low-power sleep mode that consumes only 28μA to maximize battery life in portable applications.