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TPS2321ID Fiches technique(PDF) 1 Page - Texas Instruments |
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TPS2321ID Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 26 page 3 V–5.5 V 3 V–13 V FAULT typical application NOTE: Terminal 14 is active-high on TPS2321. VREG IN1 ISET1 ISENSE1 GATE1 DISCH1 TIMER DISCH2 GATE2 ISENSE2 ISET2 IN2 DGND AGND V2 V1 TPS2320 + VO1 VO2 + 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 GATE1 GATE2 DGND TIMER VREG AGND ISENSE2 ISENSE1 DISCH1 DISCH2 ENABLE FAULT ISET1 ISET2 IN2 IN1 D OR PW PACKAGE (TOP VIEW) ENABLE TPS2320 TPS2321 www.ti.com SLVS276F – MARCH 2000 – REVISED JULY 2013 DUAL HOT SWAP POWER CONTROLLERS WITH INDEPENDENT CIRCUIT BREAKER Check for Samples: TPS2320, TPS2321 1 FEATURES • 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 APPLICATIONS • Hot-Swap/Plug/Dock Power Management • Hot-Plug PCI, Device Bay • Electronic Circuit Breaker DESCRIPTION The TPS2320 and TPS2321 are dual-channel hot- swap controllers that use external N-channel MOSFETs as high-side switches in power applications. Features of these devices, such as overcurrent protection (OCP), inrush-current control, and the ability to discriminate between load transients and faults, are critical requirements for hot-swap applications. A The TPS2320/21 devices incorporate undervoltage lockout (UVLO) to ensure the device is off at startup. Each internal charge pump, capable of driving multiple MOSFETs, provides enough gate-drive voltage to fully enhance the N-channel MOSFETs. The charge pumps control both the rise times and fall times (dv/dt) of the MOSFETs, reducing power transients during power up/down. The circuit-breaker functionality combines the ability to sense overcurrent conditions with a timer function; this allows designs such as DSPs, that may have high peak currents during power-state transitions, to disregard transients for a programmable period. Table 1. AVAILABLE OPTIONS PACKAGES PIN TA HOT-SWAP CONTROLLER DESCRIPTION COUNT ENABLE ENABLE Dual-channel with independent OCP and adjustable PG 20 TPS2300IPW TPS2301IPW Dual-channel with interdependent OCP and adjustable PG 20 TPS2310IPW TPS2311IPW TPS2320ID TPS2321ID –40°C to 85°C Dual-channel with independent OCP 16 TPS2320IPW TPS2321IPW TPS2330ID TPS2331ID Single-channel with OCP and adjustable PG 14 TPS2330IPW TPS2331IPW 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2000–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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