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NCV7702B

ON Semiconductor
Part Number NCV7702B
Manufacturer ON Semiconductor
Description 1A Dual H-Bridge Driver
Published Nov 21, 2006
Detailed Description NCV7702B 1 A Dual H-Bridge Driver This dual full-bridge driver IC is intended for 14 V automotive stepper and DC motor ...
Datasheet PDF File NCV7702B PDF File

NCV7702B
NCV7702B


Overview
NCV7702B 1 A Dual H-Bridge Driver This dual full-bridge driver IC is intended for 14 V automotive stepper and DC motor applications.
Its four half-bridge outputs are configured as two channels and are programmed by six TTL compatible inputs, allowing flexible control of bridge operation.
The device operates in standby mode, run mode, or brake mode and typically consumes less than 1 mA while in standby.
In run mode, each half-bridge output can deliver load current in either direction.
Brake mode activates the low side transistors or high side transistors at the selected outputs.
On-chip recirculation diodes are provided, and the IC has multiple fault protection modes.
Overcurrent detection protects against shorted loads between outputs and shorts to supply or ground at each output.
An overcurrent fault condition activates an internal timer, which modulates faulted outputs at low duty cycle.
An overcurrent condition in one channel does not affect operation in the other.
Overvoltage and overtemperature detection are also provided, and turn off all bridge outputs during these fault conditions.
Recovery from all fault conditions is automatic; the IC will resume normal operation in its previously selected mode upon fault resolution.
Diagnostic ability is provided by two open-collector STATUS outputs which report the fault status of each channel independently during overcurrent faults, and together during overvoltage or overtemperature faults.
Features •ăSingle 7 V-16 V Supply •ăLow Standby Current: ♦ă< 1.
0 mA Typically •ă3.
3 V / 5 V Compatible Inputs •ăIndependent Channel Enable •ăChannels Configurable as: ♦ăFull-Bridge Drive ♦ăHalf-Bridge, High Side or Low Side Drive •ăOn-Chip Recirculation Diodes •ăFault Protection with Automatic Recovery for: ♦ăOvercurrent ♦ăOvervoltage ♦ăOvertemperature •ăFault Diagnostic STATUS Outputs •ăInternally Fused Leads in SO–24L Package •ăAEC Qualified •ăPPAP Capable •ăThese are Pb-Free Devices* Applications •ăAutomotive and Industrial Drive...



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