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TPS2331IPW Datasheet(PDF) 1 Page - Texas Instruments |
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TPS2331IPW Datasheet(HTML) 1 Page - Texas Instruments |
1 / 25 page 3 V–13 V FAULT typical application NOTE: Terminal 13 is active-high on TPS2331. VREG IN ISET ISENSE GATE DISCH VSENSE PWRGD TIMER DGND AGND VIN TPS2330 + VO 1 2 3 4 5 6 7 14 13 12 11 10 9 8 GATE DGND TIMER VREG VSENSE AGND ISENSE DISCH ENABLE PWRGD FAULT ISET AGND IN D OR PW PACKAGE (TOP VIEW) ENABLE TPS2330 TPS2331 www.ti.com SLVS277G – MARCH 2000 – REVISED JULY 2013 SINGLE HOT-SWAP POWER CONTROLLERS WITH CIRCUIT BREAKER AND POWER-GOOD REPORTING Check for Samples: TPS2330, TPS2331 1 FEATURES • Single-Channel High-Side MOSFET Driver • Input Voltage: 3 V to 13 V • Output dV/dt Control Limits Inrush Current • Circuit-Breaker With Programmable Overcurrent Threshold and Transient Timer • Power-Good Reporting With Transient Filter • CMOS- and TTL-Compatible Enable Input • Low 5- μA Standby Supply Current (Max) • Available in 14-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 TPS2330 and TPS2331 are single-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, output-power status reporting, and the ability to discriminate between load transients and faults, are critical requirements for hot-swap applications. The TPS2330/31 devices incorporate undervoltage lockout (UVLO) and power-good (PG) reporting to ensure the device is off at start-up and confirm the status of the output voltage rails during operation. An internal charge pump, capable of driving multiple MOSFETs, provides enough gate-drive voltage to fully enhance the N-channel MOSFETs. The charge pump controls 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(1) TA HOT-SWAP CONTROLLER DESCRIPTION PIN 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) The packages are available left-end taped and reeled (indicated by the R suffix on the device type; e.g., TPS2331IPWR). 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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