LTM8061 - 32V, 2A μModule (Power Module) Li-Ion/ Polymer Battery Charger

The LTM®8061 is a high efficiency 32V, 2A μModule® (power module) standalone Li-Ion battery charger. It is optimized for one and two-cell packs, with fixed float voltage options: 4.1V, 4.2V, 8.2V and 8.4V. The LTM8061 provides a constant-current/constant-voltage charge characteristic, with maximum charge current up to 2A. A precondition feature trickle charges a depleted battery, and bad battery detection provides a signal and suspends charging if a battery does not respond to preconditioning.

The LTM8061 can be configured to terminate charging when charge current falls to one-tenth the programmed maximum current or to use an internal timer if a timebased termination scheme is desired. Once charging is terminated, the LTM8061 enters a low current standby mode. An auto-restart feature starts a new charge cycle if the battery voltage drops 2.5% from the float voltage, or if a new battery is inserted into a charging system.

The LTM8061 is packaged in a thermally enhanced, compact (9mm × 15mm × 4.32mm) over-molded land grid array (LGA) package suitable for automated assembly by standard surface mount equipment. The LTM8061 is RoHS compliant.

Features
  • Wide Input Voltage Range: 4.95V to 32V (40V Absolute Maximum)
  • Float Voltage Options: 1-Cell: 4.1V, 4.2V 2-Cell: 8.2V, 8.4V
  • Programmable Charge Current: Up to 2A
  • User-Selectable Charge Termination: C/10 or Onboard Termination Timer
  • Dynamic Charge Rate Programming/Soft-Start Pin
  • Programmable Input Current Limit
  • Optional Reverse Input Protection
  • NTC Resistor Temperature Monitor
  • 0.5% Float Voltage Accuracy
  • Bad-Battery Detection with Auto-Reset
  • Tiny, Low Profile (9mm × 15mm × 4.32mm) Surface Mount LGA Package
Typical Application
LTM8061 Typical Application
LTM8061 Typical Application
Applications
  • Industrial Handheld Instruments
  • 12V to 24V Automotive and Heavy Equipment
  • Professional Video/Camera Chargers
Packaging
LTM8061 Package Drawing
Order Information
Part NumberPackageTempPrice(1-99)Price (1k)*
LTM8061EV-4.1#PBF15mm × 9mm × 4.32mm LGAE$12.64$8.85
LTM8061EV-4.2#PBF15mm × 9mm × 4.32mm LGAE$12.64$8.85
LTM8061EV-8.2#PBF15mm × 9mm × 4.32mm LGAE$12.64$8.85
LTM8061EV-8.4#PBF15mm × 9mm × 4.32mm LGAE$12.64$8.85
LTM8061IV-4.1#PBF15mm × 9mm × 4.32mm LGAI$13.91$9.74
LTM8061IV-4.2#PBF15mm × 9mm × 4.32mm LGAI$13.91$9.74
LTM8061IV-8.2#PBF15mm × 9mm × 4.32mm LGAI$13.91$9.74
LTM8061IV-8.4#PBF15mm × 9mm × 4.32mm LGAI$13.91$9.74
Demo Boards
Part NumberDescriptionPrice
DC1645A-ALTM8061-4.1 Demo Board | 6.5V ≤ VIN ≤ 32V, 2A µModule Buck Li-Ion Battery Charger, Vout = 4.1V @ 2A$65.00
DC1645A-BLTM8061-4.2 Demo Board | 6.5V ≤ VIN ≤ 32V, 2A µModule Buck Li-Ion Battery Charger, Vout = 4.2V @ 2A$65.00
DC1645A-CLTM8061-8.2 Demo Board | 12V ≤ VIN ≤ 32V, 2A µModule Buck Li-Ion Battery Charger, Vout = 8.2V @ 2A$65.00
DC1645A-DLTM8061-8.4 Demo Board | 12V ≤ VIN ≤ 32V, 2A µModule Buck Li-Ion Battery Charger, Vout = 8.4V @ 2A$65.00
Datasheet
Reliability Data
Product Selector Card
Press Release
CAD Symbol
LTspice
Related Products
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R598 - Reliability Data
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LTM8061 Footprints and Symbols
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