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TPS2321IPW Datasheet(PDF) 2 Page - Texas Instruments |
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TPS2321IPW Datasheet(HTML) 2 Page - Texas Instruments |
2 / 26 page PREREG UVLO and Power Up IN1 ISET1 ISENSE1 GATE1 Clamp Charge Pump 75 µA Pulldown FET Circuit Breaker dv/dt Rate Protection DISCH1 Logic FAULT TIMER Second Channel GATE2 ISENSE2 ISET2 IN2 DISCH2 Circuit Breaker VREG Deglitcher AGND DGND ENABLE 50 µA TPS2320 TPS2321 SLVS276F – MARCH 2000 – REVISED JULY 2013 www.ti.com FUNCTIONAL BLOCK DIAGRAM Table 2. Terminal Functions TERMINAL I/O DESCRIPTION NAME NO. AGND 6 I Analog ground, connects to DGND as close as possible DGND 3 I Digital ground DISCH1 16 O Discharge transistor 1 DISCH2 15 O Discharge transistor 2 ENABLE/ENABLE 14 I Active low (TPS2320) or active high enable (TPS2321) FAULT 13 O Overcurrent fault, open-drain output GATE1 1 O Connects to gate of channel 1 high-side MOSFET GATE2 2 O Connects to gate of channel 2 high-side MOSFET IN1 9 I Input voltage for channel 1 IN2 10 I Input voltage for channel 2 ISENSE1 8 I Current-sense input channel 1 ISENSE2 7 I Current-sense input channel 2 ISET1 12 I Adjusts circuit-breaker threshold with resistor connected to IN1 ISET2 11 I Adjusts circuit-breaker threshold with resistor connected to IN2 TIMER 4 O Adjusts circuit-breaker deglitch time VREG 5 O Connects to bypass capacitor, for stable operation 2 Submit Documentation Feedback Copyright © 2000–2013, Texas Instruments Incorporated Product Folder Links: TPS2320 TPS2321 |
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