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DRV401AIDWP Datasheet(PDF) 5 Page - Texas Instruments |
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DRV401AIDWP Datasheet(HTML) 5 Page - Texas Instruments |
5 / 36 page DRV401 SBVS070B − JUNE 2006 − REVISED MAY 2009 www.ti.com 5 PIN CONFIGURATIONS Top View RGW Top View DWP ERROR DEMAG GAIN REF OUT REF IN V DD1 OVER−RANGE CCdiag V DD2 I COMP1 Exposed Thermal Pad on Underside, Connect to GND1 1 2 3 4 5 15 14 13 12 11 QFN−20 (5mm x 5mm) PWM PWM ERROR DEMAG GAIN REF OUT REF IN V OUT IA IN2 IA IN1 IS1 GND1 IS2 V DD1 OVER−RANGE CCdiag V DD2 I COMP1 I COMP2 GND2 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 Wide−Body SO−20 Exposed Thermal Pad on Underside, Connect to GND1 PIN ASSIGNMENTS NAME RGW DWP DESCRIPTION ERROR 1 3 Error flag: open-drain output, see the Error Conditions section. DEMAG 2 4 Control input, see the Demagnetization section. GAIN 3 5 Control input for open-loop gain: low = normal, high = −8dB. REFOUT 4 6 Output for internal 2.5V reference voltage. REFIN 5 7 Input for zero reference to differential amplifier. VOUT 6 8 Output for differential amplifier. IAIN2 7 9 Noninverting input of differential amplifier. IAIN1 8 10 Inverting input of differential amplifier. GND2 9 11 Ground connection. Connect to GND1. ICOMP2 10 12 Output 2 of compensation coil driver. ICOMP1 11 13 Output 1 of compensation coil driver. VDD2 12 14 Supply voltage. Connect to VDD1. CCdiag 13 15 Control input for wire-break detection: high = enable. OVER−RANGE 14 16 Open-drain output for over-range indication: low = over-range. VDD1 15 17 Supply voltage. IS2 16 18 Probe connection 2. GND1 17 19 Ground connection. IS1 18 20 Probe connection 1. PWM 19 1 PWM output from probe circuit (inverted). PWM 20 2 PWM output from probe circuit. Exposed Thermal Pad — — Connect to GND1. |
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