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TPS2321IPW-TPS2321IPWR
3-13V Dual Hot-Swap IC w/ Independent Channel Circuit Breaking, Act-High Enable
3 V–5.5 V
3 V–13 V
typical applicationNOTE: Terminal 14 is active-high on TPS2321.
VREG
IN1 ISET1 ISENSE1 GATE1GATE2ISENSE2ISET2IN2
DGND
AGND
TPS2320
GATE1
GATE2
DGND
TIMER
VREG
AGND
ISENSE2
ISENSE1
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
Checkfor Samples: TPS2320, TPS2321
1FEATURES Dual-Channel High-Side MOSFET Drivers IN1:3Vto13V; IN2:3Vto 5.5V 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) Availablein 16-Pin SOIC and TSSOP Package –40°Cto 85°C Ambient Temperature Range Electrostatic Discharge Protection
APPLICATIONS Hot-Swap/Plug/Dock Power Management Hot-Plug PCI, Device Bay Electronic Circuit Breaker
DESCRIPTIONThe 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 abilityto discriminate between load transients
and faults, are critical requirements for hot-swap undervoltage lockout (UVLO)to ensure Each driving multiple MOSFETs, provides enough gate-drive enhance The charge pumps control both the rise times and fall
