Varnitronics
ETA9742E8A etasolution
etasolution

ETA9742E8A

Lithium Battery 3A ESOP8 Battery Management RoHS

ESOP8ROHS CompliantActive

3A Switching Charger, 2.4A Boost and 3 LED - indicators for battery level, charge/discharge status in One ESOP8 with Single Inductor

Manufacturer
etasolution
Manufacturer part #
ETA9742E8A
Store part #
C7465514
Package / case
ESOP8
Packaging
Tape & Reel (TR)
Datasheet (PDF)

Every Order Guarantee

100% Authentic · 30-Day Return or Replacement · policy

4,450 in stock

#C7465514

Stock & price checked 6 days ago

QuantityUnit pricePack price
5+₹32.98₹164.90
50+₹25.76₹1,288.00
150+₹22.66₹3,399.00
500+₹18.80₹9,400.00
2,500+₹17.08₹42,700.00
4,000+₹16.05₹64,200.00

5 × ₹32.98

₹164.90

excl. GST

₹194.58 incl. 18% GST

Need volume or a scheduled delivery? Request a quote
  • Dispatch in 7–10 working days
  • GST invoice with every order
  • Standard pack: 4,000 per reel

ETA9742E8A

₹164.90 for 5 + GST

Specifications

Operating Temperature
-40℃~+85℃
Type of Battery
Lithium Battery
Operating Voltage
4.5V~5.5V
Features
Constant current charging;Constant voltage charging;Trickle charging;Automatic recharge;Charge termination;Programmable charging current;Short-Circuit Protection
The Chip Type
Charging IC
Charge Current - Max
3A

Packaging & compliance

RoHS
ROHS Compliant
Lifecycle
Active
Packaging
Tape & Reel (TR)
Standard pack
4,000 / Reel
Sold per
Piece
Minimum order
5 (multiples of 5)
Unit weight
0.164 g

Overview

ETA9742 is a switching Li-Ion battery charger capable of delivering up to 3A of charging current to the battery and also capable of delivering up to 5V/2.4A in boost operation, with high efficiency in both charging mode and boost mode. It also includes a fuel gauge system for power indication. For charging, it uses a proprietary control scheme that eliminates the current sense resistor for conventional constant current control, maximizing efficiency, reducing charging time and reducing costs. It can also output a 5V voltage in the reversed direction by boosting from the battery. It only needs a single inductor to provide power bidirectionally with a proprietary automatic mode detect and switch scheme. ETA9742 is an ideal all-in-one solution for battery charging and discharge applications, such as power banks, smart phones, and tablets with only one USB port that can be used for charging battery function. ETA9742 is suitable for charging a 4.2V Li-ion battery. And ETA9742 is in ESOP8 package.

Applications

  • Tablet, MID
  • Smart Phone
  • Power Bank

Key features

  • Bi-Directional Power conversion with Single Inductor
  • Automatic Mode Switching
  • Switching Charger
  • 5V Synchronous Boost
  • Up to 96% Efficiency
  • Up to 3A Max charging current and 2.4A discharging
  • No-Battery detection
  • No External Sense resistor
  • LEDs for battery level indication and charge/discharge status indication

Alternatives

Similar parts — check the datasheet before substituting.

ETA9740E8A#C7465512etasolution · ESOP8₹34.40 · 2,075 in stockView
ETA6002E8A#C7436031etasolution · ESOP-8₹64.06 · 8,143 in stockView
ETA9880E8A#C5554991etasolution · ESOP-8₹34.54 · 6,245 in stockView

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