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Part Number NJW4302
FUNCTION THREE-PHASE DC BRUSHLESS MOTOR CONTROL IC
GENERAL DESCRIPTION
The NJW4302 is a three-phase DC brushless motor pre-driver IC for precision applications. The NJW4302 consists of PWM driver，motor velocity control，FG(Frequency Generator) output，and voltage velocity integration circuit. The NJW4302 realizes stabilized velocity and it is suitable for printer，FAX，and other DC motor control systems. FEATURES
- •Direct PWM driver
- •CR oscillator
- •Lock protection output
- •Break circuit(short circuit braking)
- •Start/stop switch Start/Stop Switch Circuit
- •Current limit circuit
- •Thermal shut down/Under voltage lockout circuit
- •FG output amplifier/Integrating circuit
- •Shunt regulator output (5V)
- •Bi-CMOS technology
- •Package Outline (QFP44-A1)
- •Speed discriminator and PLL speed control circuit
NJW4302 DATA SHEET