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                      1. Home
                      2. Semiconductors - ICs
                      3. Power Management ICs - PMIC
                      4. Battery Management
                      5. Battery Charger ICs
                      Print Page

                      MAX1909ETI+T

                      Battery Charger, 10 Cell of Multi-Chemistry Battery, 28V Input, 28V/5A Charge, TQFN-28

                      ANALOG DEVICES MAX1909ETI+T
                      Image is for illustrative purposes only. Please refer to product description.
                      ManufacturerANALOG DEVICES
                      Manufacturer Part NoMAX1909ETI+T
                      Order Code2798915RL
                      Technical Datasheet

                      Data Sheet

                      See all Technical Docs
                      Packaging Options
                      140 In Stock

                      Need more?

                      140 Delivery in 4-6 Business Days(UK stock)
                      QuantityPrice
                      10+Rs.614.220
                      25+Rs.551.580
                      100+Rs.465.450
                      250+Rs.449.810
                      500+Rs.445.280
                      2500+Rs.443.020
                      Price for:Each (Supplied on Cut Tape)
                      Minimum: 10
                      Multiple: 1
                      Rs.6,142.20
                      Enter Your Part No/Line Note
                      Added to your Order Confirmation, Invoice, and Dispatch note for this order only.
                      This number will be added to the Order Confirmation, Invoice, Dispatch note, Web confirmation Email and Product Label.

                      Product Information

                      ManufacturerANALOG DEVICES
                      Manufacturer Part NoMAX1909ETI+T
                      Order Code2798915RL
                      Technical Datasheet

                      Data Sheet

                      Battery TypeMulti-Chemistry
                      Input Voltage28V
                      Battery Charge Voltage28V
                      Charge Current5A
                      Charge Current Max5A
                      IC Case / PackageTQFN
                      Battery IC Case StyleTQFN
                      No. of Series Cells10
                      No. of Pins28Pins
                      No. of Cells10Cells
                      Operating Temperature Min-40°C
                      Operating Temperature Max85°C
                      IC MountingSurface Mount
                      Product Range-
                      MSLMSL 1 - Unlimited
                      SVHCNo SVHC (21-Jan-2025)

                      Product Overview

                      The MAX1909ETI+T is a multichemistry battery charger with automatic system power selector in 28 pin TQFN package. This highly integrated control IC simplifies construction of accurate and efficient multichemistry battery chargers. High efficiency is achieved through use of buck topology with synchronous rectification. The maximum current drawn from AC adapter is programmable to avoid overloading the AC adapter when supplying the load and the battery charger simultaneously. The MAX1909 provides a digital output that indicates the presence of an AC adapter and an analogue output that monitors the current drawn from AC adapter. Based on the presence or absence of AC adapter, the MAX1909 automatically select the appropriate source for supplying power to system by controlling two external p-channel MOSFETs. Typical application includes notebook and subnotebook computers, hand held data terminals.

                      • Conditioning charge feature, automatic system power/source selection
                      • Precise measurement improves safety and performance
                      • ±0.5% accurate charge voltage (0°C to +85°C), 0 to 3.6V VCTL, 0 to 3.6V ICTL range at TA = 0 to 85°C
                      • ±3% accurate input current limiting, ±5% accurate charge current
                      • Analogue inputs control charge current and charge voltage
                      • Charge any battery chemistry (Li+, NiCd, NiMH, lead acid, etc)
                      • Up to 17.65V (max) battery voltage, maximum 28V input voltage
                      • <gt/> 4A programmable charge current, greater than 95% efficiency extends battery life
                      • Intelligent AC adapter interface makes design easier, operating temperature from -40°C to +85°C
                      • Analogue I/Ps to control charge current and voltage, programmed by host MCU or hardwired
                      • Handheld Data Terminals; Notebook and Subnotebook Computers

                      Applications

                      Power Management, Portable Devices, Consumer Electronics

                      Warnings

                      Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

                      Notes

                      ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party

                      Technical Specifications

                      Battery Type

                      Multi-Chemistry

                      Battery Charge Voltage

                      28V

                      Charge Current Max

                      5A

                      Battery IC Case Style

                      TQFN

                      No. of Pins

                      28Pins

                      Operating Temperature Min

                      -40°C

                      IC Mounting

                      Surface Mount

                      MSL

                      MSL 1 - Unlimited

                      Input Voltage

                      28V

                      Charge Current

                      5A

                      IC Case / Package

                      TQFN

                      No. of Series Cells

                      10

                      No. of Cells

                      10Cells

                      Operating Temperature Max

                      85°C

                      Product Range

                      -

                      SVHC

                      No SVHC (21-Jan-2025)

                      Technical Docs (1)

                      Technical Data Sheet EN

                      Legislation and Environmental

                      Country of Origin:
                      Country in which last significant manufacturing process was carried outCountry of Origin:
                      Thailand
                      Country in which last significant manufacturing process was carried out
                      Tariff No:85423100
                      US ECCN:EAR99
                      EU ECCN:NLR
                      RoHS Compliant:Yes

                      RoHS

                      RoHS Phthalates Compliant:Yes

                      RoHS

                      SVHC:No SVHC (21-Jan-2025)
                      Download Product Compliance Certificate

                      Product Compliance Certificate

                      Weight (kg):.000127
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