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LB1877V - Brushless Motor Driver

Description

Pin number Pin name 20 UOUT 1 VOUT 2 WOUT 6 UB 5 VB 4 WB 18 VCC 7 OSC 8 COM 3 P GND 9 GND 11 S/S 19 DR 12 VREF 14 VSP 13 IN+ 15 OUT 10 RI 16 FC 17 LB Function U-phase output V-phase output W-phase output U-phase base of 3-phase differential V-phase base of 3-phase differential W-phase base

Features

  • 6.4 LB1877V Electrical Characteristics at Ta = 25°C, VCC = 2.4V Parameter Power supply current [S/S pin] S/S pin High level S/S pin Low level [DR pin] DR pin High level DR pin Low level [Internal reference voltage] Internal reference voltage Output current Reference voltage to power supply voltage characteristics Reference voltage to temperature characteristics [OSC pin] Charge current [COM pin] Sink current [LB pin] Charge current [VSP pin] Input voltage range Speed signal detection precision.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Ordering number : ENN6200A LB1877V Monolithic Digital IC LB1877V Brushless Motor Driver with Speed Control for Portable Cassette Recorders Overview The LB1877V is a motor driver well suited for driving motors of minicassette recorders, headphone stereos, and microcasette recorders that use a 3V power supply. Package Dimensions unit: mm 3179A-SSOP20 20 11 1.0 4.4 1.6max [LB1877V] • • • • • Brushless sensorless motor drive (3-phase half-wave drive) Forward/reverse drive possible Built-in speed control function (voltage servo) Built-in reference voltage (0.9V) Soft switching 1 6.7 10 0.15 0.22 0.65 0.
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