TPS2321

www.ti.com TPS2320 TPS2321 SLVS276F – MARCH 2000 – REVISED JULY 2013 DUAL HOT SWAP POWER CONTROLLERS WITH INDEPENDENT CIRCUIT BREAKER Check for Samples: TPS2320, TPS2321 FEATURES 1 Dual-Channel High-Side MOSFET Drivers IN1: 3 V to 13 V; IN2: 3 V to 5.5 V Output dV/dt Control Limits Inrush Current Independent Circuit-Breaker With Programmable Overcurrent Threshold and Transient Timer CMOS- and TTL-Compatible Enable Input Low, 5-μA Standby Supply Current (Max) Available in 16-Pin SOIC and TSSOP Package –40°C to 85°C Ambient Temperature Range Electrostatic Discharge Protection D OR PW PACKAGE (TOP VIEW) GATE1 1 GATE2 2 DGND 3 TIMER 4 VREG 5 AGND 6 ISENSE2 7 ISENSE1 8 16 DISCH1 15 DISCH2 14 ENABLE 13 FAULT 12 ISET1 11 ISET2 10 IN2 9 IN1 NOTE: Terminal 14 is active-high on TPS2321. typical application APPLICATIONS Hot-Swap/Plug/Dock Power Management Hot-Plug PCI, Device Bay V1 3 V–13 V IN1 VREG ISET1 ISENSE1 GATE1 DISCH1 VO1 + Electronic Circuit Breaker DESCRIPTION AGND DGND TPS2320 FAULT The TPS2320 and TPS2321 are dual-channel hot- ENABLE TIMER swap controllers that use external N-channel MOSFETs as high-side switches in power IN2 ISET2 ISENSE2 GATE2 DISCH2 applications. Features of these devices, such as overcurrent protection (OCP), inrush-current control, and the ability to discriminate between load transients V2 3 V–5.5 V VO2 + and faults, are critical requirements for hot-swap applications. ...