L9960

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製品概要

概要

The device is an integrated H-Bridge for resistive and inductive loads for automotive applications. Target application includes throttle control actuators, exhaust gas recirculation control valves and general purpose DC motors such as turbo, flap control and electric pumps.

The driving strategy is enhanced by configurable PWM / DIR pins and IN1/IN2.

The H-Bridge contains integrated free-wheel diodes. In case of freewheeling condition, the low-side only is switched on in parallel of its diode to reduce power dissipation.

The integrated Serial Peripheral Interface (SPI) makes it possible to adjust device parameters, to control all operating modes and read out diagnostic information.

特徴
AEC-Q100 qualified

Flexible driving strategy via configurable pins PWM/DIR (IN1/IN2)

RDSon < 400 mΩ (full path at T_j =150° C)

Operating battery supply voltage from 4.5 V up to 28 V

Operating VDD5 supply voltage from 4.5 V to 5.5 V

Input switching frequency up to 20 kHz

Built in charge pump supporting 100% duty cycle

Logic levels compatible to 3.3 V and 5 V

Monitoring of VDD5 supply voltage with bidirectional switch-off pin

Current limitation SPI-adjustable in four steps.
Output stage current limitation with dependence on temperature

2 Programmable voltage and current slew rate control

Short circuit and programmable thermal warning and shutdown thresholds

Open Load diagnosis in ON condition

All I/O pins can withstand up to 19 V

SPI interface for configuration and diagnosis

Two independent enable/disable pins NDIS and DIS and SOPC (Switch-off Path Check) available

Spread Spectrum function for EMI reduction

Available in single (L9960) and Twin (L9960T) option, both in PSSO36 package
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