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TPS2300 Datasheet

  • TPS2300

  • DUAL HOT SWAP POWER CONTROLLER WITH INDEPENDENT CIRCUIT BREA...

  • 22頁

  • TI

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TPS2300, TPS2301
DUAL HOT SWAP POWER CONTROLLER WITH INDEPENDENT
CIRCUIT BREAKER AND POWER-GOOD REPORTING
SLVS265B 鈥?FEBRUARY 2000 鈥?REVISED APRIL 2000
features
D
D
D
D
D
D
D
D
D
D
D
D
D
PW PACKAGE
(TOP VIEW)
Dual-Channel High-Side MOSFET Drivers
1
20
DISCH1
GATE1
IN1: 3 V to 13 V; IN2: 3 V to 5.5 V
2
19
DISCH2
GATE2
Inrush Current Limiting With dv/dt Control
3
18
ENABLE
DGND
4
17
Circuit-Breaker Control With Programmable
TIMER
PWRGD1
5
16
Current Limit and Transient Timer
VREG
FAULT
6
15
VSENSE2
ISET1
Power-Good Reporting With Transient
7
14
VSENSE1
ISET2
Filter
8
13
AGND
PWRGD2
CMOS- and TTL-Compatible Enable Input
9
12
ISENSE2
IN2
Low, 5-碌A(chǔ) Standby Supply Current . . . Max
10
11
ISENSE1
IN1
Available in 20-Pin TSSOP Package
NOTE: Terminal 18 is active high on TPS2301.
鈥?40擄C to 85擄C Ambient Temperature Range
typical application
Electrostatic Discharge Protection
V
O1
+
V1
3 V 鈥?13 V
IN1
VREG
ISET1
ISENSE1 GATE1
DISCH1
VSENSE1
applications
Hot-Swap/Plug/Dock Power Management
Hot-Plug PCI, Device Bay
Electronic Circuit Breaker
description
The TPS2300 and TPS2301 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, output-power status reporting, and
separation of load transients from actual load
increases, are critical requirements for hot-swap
applications.
AGND
DGND
TPS2300
PWRGD1
FAULT
TIMER
PWRGD2
ENABLE
IN2
ISET2
ISENSE2
GATE2
DISCH2
VSENSE2
V
O2
V2
3 V 鈥?5.5 V
+
The TPS2300/01 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. 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.
AVAILABLE OPTIONS
TA
HOT-SWAP
HOT SWAP CONTROLLER DESCRIPTION
Dual-channel with independent OCP and adjustable PG
鈥?40擄C to 85擄C
Dual-channel with interdependent OCP and adjustable PG
Dual-channel with independent OCP
PIN
COUNT
20
20
16
TSSOP PACKAGES (PW, PWR)
ENABLE
TPS2300IPW
TPS2310IPW
TPS2320IPW
ENABLE
TPS2301IPW
TPS2311IPW
TPS2321IPW
Single-channel with OCP and adjustable PG
14
TPS2330IPW
TPS2331IPW
鈥?The packages are available left-end taped and reeled (indicated by the R suffix on the device type; e.g., TPS2301IPWR).
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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