LM5050-1-Q1 Texas instruments

LM5050-1-Q1

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LM5050-1-Q1

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Описание

The LM5050-1/-Q1 High Side OR-ing FET Controller operates in conjunction with an external MOSFET as an ideal diode rectifier when connected in series with a power source. This ORing controller allows MOSFETs to replace diode rectifiers in power distribution networks thus reducing both power loss and voltage drops.The LM5050-1/-Q1 controller provides charge pump gate drive for an external N-Channel MOSFET and a fast response comparator to turn off the FET when current flows in the reverse direction. The LM5050-1/-Q1 can connect power supplies ranging from 5 V to 75 V and can withstand transients up to 100 V.

Available in Standard and AEC-Q100 Qualified Versions LM5050Q0MK-1 (up to 150°C T_J) and LM5050Q1MK-1 (up to 125°C T_J)
Functional safety capable
- Documentation available to aid functional safety system design
Wide Operating Input Voltage Range, V_IN: 1 V to 75 V (V_BIAS required for V_IN < 5 V)
100-V Transient Capability
Charge Pump Gate Driver for External N-Channel MOSFET
Fast 50-ns Response to Current Reversal
2-A Peak Gate Turnoff Current
Minimum V_DS Clamp for Faster Turnoff
Package: SOT-6 (Thin SOT-23-6)

Vin (min) (V)	5
Vin (max) (V)	75
Number of channels	1
Features	AUX input, Linear control, Reverse current blocking, Reverse polarity protection
Iq (typ) (mA)	0.4
Iq (max) (mA)	0.79
TI functional safety category	Functional Safety-Capable
FET	External single FET
IGate source (typ) (µA)	31
IGate source (max) (µA)	41
IGate sink (typ) (mA)	2.8
IGate pulsed (typ) (A)	2.8
Operating temperature range (°C)	-40 to 125, -40 to 150
VSense reverse (typ) (mV)	-41, -28
Design support	EVM, Simulation Model
Rating	Automotive
Imax (A)	250
VGS (max) (V)	14
Shutdown current (ISD) (mA) (A)	0.1
Device type	ORing controller
Product type	ORing controller