LB1821
Overview
The LB1821M is a pre-driver IC that supports direct PWM drive and is appropriate for the power brushless motors used in office automation equipment. A motor drive circuit with the desired output capability (voltage and current characteristics) can be constructed by attaching a driver array at the IC output. The LB1821M includes on chip a speed control circuit that allows the motor speed to be varied using an external clock.
Package Dimensions unit: mm 3148-QFP44MA
[LB1821M]
Features
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- Direct PWM drive output Speed discriminator + PLL speed control circuit FG and integrating amplifiers Forward/reverse switching circuit Braking circuit (short braking) Speed lock detection output Full plement of on-chip protection circuits, including lock protection, current limiter, and thermal shutdown protection circuits.
SANYO: QIP44MA
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter Maximum supply voltage Maximum input current Output current Allowable power...
