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TPS2331 Datasheet

  • TPS2331

  • SINGLE HOT SWAP POWER CONTROLLER WITH CIRCUIT BREAKER AND PO...

  • 346.47KB

  • 20頁(yè)

  • TI

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TPS2330, TPS2331
SINGLE HOT SWAP POWER CONTROLLER WITH
CIRCUIT BREAKER AND POWER-GOOD REPORTING
SLVS277A 鈥?MARCH 2000鈥?REVISED APRIL 2000
features
D
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D OR PW PACKAGE
(TOP VIEW)
Single-Channel High-Side MOSFET Driver
Input Voltage: 3 V to 13 V
Inrush Current Limiting With dv/dt Control
Circuit-Breaker Control With Programmable
Current Limit and Transient Timer
Power-Good Reporting With Transient
Filter
CMOS- and TTL-Compatible Enable Input
Low 5-碌A(chǔ) Standby Supply Current . . . Max
Available in 14-Pin SOIC and TSSOP
Package
鈥?40擄C to 85擄C Ambient Temperature Range
Electrostatic Discharge Protection
GATE
DGND
TIMER
VREG
VSENSE
AGND
ISENSE
1
2
3
4
5
6
7
14
13
12
11
10
9
8
DISCH
ENABLE
PWRGD
FAULT
ISET
AGND
IN
NOTE: Terminal 13 is active high on TPS2331.
typical application
V
O
+
VIN
3 V 鈥?13 V
IN
VREG
ISET
ISENSE
GATE
DISCH
VSENSE
applications
Hot-Swap/Plug/Dock Power Management
Hot-Plug PCI, Device Bay
Electronic Circuit Breaker
AGND
DGND
TPS2330
PWRGD
FAULT
TIMER
ENABLE
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 separation of load transients from actual load
increases, 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.
AVAILABLE OPTIONS
TA
HOT-SWAP
HOT SWAP CONTROLLER DESCRIPTION
Dual-channel with independent OCP and adjustable PG
Dual-channel with interdependent OCP and adjustable PG
鈥?40擄C to 85擄C
Dual-channel with independent OCP
Single-channel with OCP and adjustable PG
PIN
COUNT
20
20
16
14
PACKAGES
ENABLE
TPS2300IPW
TPS2310IPW
TPS2320ID
TPS2320IPW
TPS2330ID
TPS2330IPW
ENABLE
TPS2301IPW
TPS2311IPW
TPS2321ID
TPS2321IPW
TPS2331ID
TPS2331IPW
鈥?The packages are available left-end taped and reeled (indicated by the R suffix on the device type; e.g., TPS2331IPWR).
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.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
漏
2000, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
1

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