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Analog Devices LT1769IFE#TRPBF — Discrete Semiconductors
Analog Devices

LT1769IFE#TRPBF Multi-Chemistry Battery Charger IC, 2A

MPNLT1769IFE#TRPBF
End of Life

Analog Devices LT1769IFE#TRPBF, Multi-Chemistry Battery Charger IC, Constant - Programmable, 2A Max Charge Current, 20V Max Battery Pack Voltage, 28V Supply, Over Voltage Protection, -40°C to 85°C, 20-TSSOP Exposed Pad, Surface Mount, Bulk.

$10.8Ref. price · indicative, final on quote
LT1769IFE#TRPBF datasheet
Packaging20-TSSOP (0.173", 4.40mm Width) Exposed Pad
StockContact for availability
MOQ1 pcs
  • 100% new & originalTraceable channels only — no refurbs, no pulls, no remarked parts.
  • Date & lot codes on quoteStated per line before you commit; label photos on request.
  • MSL-compliant ESD packingMoisture-sealed bags with indicator cards; reels photo-verified.
  • PayPal buyer protectionPay by T/T, PayPal or Payoneer — card payments covered end to end.

Specifications

LT1769IFE#TRPBF Technical Specifications
ParameterValue
Mounting typeSurface Mount
Battery pack voltage20V (Max)
Voltage28V
Current - chargingConstant - Programmable
Charge current - max2A
Operating temperature-40°C ~ 85°C (TA)
PackageBulk
Case20-TSSOP (0.173\", 4.40mm Width) Exposed Pad
Fault protectionOver Voltage
Battery chemistryMulti-Chemistry

Product details

Charger IC for multi-chemistry battery packs

The Analog Devices LT1769IFE#TRPBF is a constant-current programmable battery charger IC supporting multi-chemistry cells — Li-Ion, NiMH, NiCd, and lead-acid — in a single design. It delivers up to 2A charge current to battery packs rated to 20V max, powered from a supply rail up to 28V. The 20-TSSOP with exposed pad (EP) package keeps the thermal path short for sustained charging at the full 2A. Over-voltage fault protection on the output catches a failed sense resistor or open-cell condition before the pack sees excess voltage.

Package and mounting

Surface-mount 20-TSSOP with exposed pad (0.173" body width, 4.40 mm). The exposed pad must be soldered to a copper plane on the PCB for thermal dissipation — without it, the 2A charge current will push the junction above the rated operating temperature. The Bulk shipping medium suits prototype runs and small-batch production; for reel quantities, check the LT1769IFE#PBF variant.

Frequently asked questions

Can LT1769IFE#TRPBF charge Li-Ion batteries?

Yes, the IC supports multi-chemistry charging including Li-Ion. The 20V max battery pack voltage covers 5-series Li-Ion packs.

What is the charge current range for LT1769IFE?

The charge current is constant and programmable, with a maximum of 2A. The exact range depends on the external sense resistor and programming resistor values.

What is an equivalent or replacement for LT1769IFE#TRPBF?

No official direct replacement is listed. The LT1511ISW#PBF and LT1510IS8#PBF share multi-chemistry support, over-voltage protection, and constant-current architecture — functionally similar but in different packages (SOIC vs TSSOP). Verify pin compatibility for your layout.