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Description
The µPD16808 is a monolithic dual H bridge driver circuit which employs N-channel power MOS FETs for its output stage. It has improved saturation voltage and power consumption compared to conventional driver circuits that use bipolar transistors. This IC is ideal for driving a 1- to 2-phase excitation bipolar driving stepping motor for the head actuator of an FDD.
Specifications and features
• Low ON resistance (sum of ON resistors of top and bottom FETs)
RON1 = 1.0 Ω TYP. (VM = 5.0 V)
RON2 = 1.5 Ω TYP. (VM = 12.0 V)
• Low current consumption: IDD = 0.4 mA TYP.
• Four input modes independently controlling dual H bridge drivers (with 1- to 2-phase excitation selected)
• Motor voltage 12 V/5 V compatible
• Compact surface mount package: 20-pin plastic SOP (300 mil)Application Scenarios
This IC is commonly used as the driver circuit for a 1- to 2-phase excitation bipolar driving stepping motor for the head actuator of a floppy disk drive (FDD).
Comparison
Advantages• Improved saturation voltage and power consumption compared to conventional driver circuits using bipolar transistors.
Disadvantages -
Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
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Popular parts of the same kind
- Datasheet: Download UPD16808
- Chipdatas Part: CD94-UPD16808
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/13 17:52 +0800
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