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ADI LTC4091EDJC#PBF product image
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ADI LTC4091EDJC#PBFRoHS

Manufacturer
ADI
MPN
LTC4091EDJC#PBF
LCSC Part #
C687303
Packaging
DFN-22-EP(3x6)
Customer #
Key Attributes
36V Battery Charger and Power Backup Manager
Datasheetpdf iconADI LTC4091EDJC#PBF
In-Stock: 9
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QtyUnit PriceTotal Amount
1+$ 13.645$ 13.65
10+$ 12.9605$ 129.61
30+$ 11.7764$ 353.29
100+$ 10.7431$ 1074.31
Standard Packaging61/Full Tube
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Battery Chargers
ManufacturerADI
PackagingDFN-22-EP(3x6)
FeaturesConstant current charging;Constant voltage charging;Trickle charging;Automatic recharge;Charge termination;Programmable charging current;Overcharge protection;Battery temperature monitoring;Soft-start;Under-voltage lockout
Voltage - Supply6V~36V
Quiescent Current60uA
Battery Temperature DetectionSupport
Operating Temperature-40℃~+125℃
Type of BatteryLithium Battery
The Chip TypeCharging IC
Number of Cells1
Charge Current - Max1.5A
Charging Saturation Voltage4.2V
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Introduction

AI Translation

The LTC4091 is a 36V Li- Ion battery charger and power backup manager. The integrated step- down switching regulator charges a battery from a primary power source while providing power to the load. If primary power is lost, the load is seamlessly transitioned to the backup Li- ion/ polymer battery. To protect sensitive downstream loads, the maximum output voltage is 4.45V.

The LTC4091 provides an adaptive output that tracks the battery voltage for high efficiency charging. The charge current is programmable and an end- of- charge status output (CHRG) indicates full charge. Also featured is a termination timer and an NTC thermistor input used to monitor battery temperature while charging.

During backup, an internal 75mΩ ideal diode connects the battery to the load. An optional external ideal diode FET driver is available to reduce the voltage drop even further. 4.1V or 4.2V battery charge voltages can be selected.

Features

AI Translation
  • Seamless Transition Between Primary Power Source and Li- Ion Battery
  • 2A High Voltage Step- Down Regulator with Adaptive Output Control
  • Internal 75mΩ Ideal Diode Plus Optional External Ideal Diode Controller Provides Low Loss PowerPath™ When Primary Supply Not Present
  • Wide Input Voltage Range: 6V to 36V (60V Abs Max)
  • 4.45V Max Output Voltage
  • Full Featured Li- Ion Battery Charger
  • Pin Selectable 4.1V and 4.2V Charge Voltage Options
  • Thermally Enhanced Low Profile (0.75mm) 6mm × 3mm 22- Lead DFN Package

Applications

AI Translation
  • Fleet and Asset Tracking
  • Automotive GPS Data Loggers
  • Automotive Telematics Systems
  • Battery Backup Systems