LTC4099

PRODUCTION

I2C Controlled USB Power Manager/ Charger with Overvoltage Protection

Data Sheet Product Selection Table
Part Models
2
1ku List Price
Starting From $2.66
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Part Details

  • Switching Regulator with Bat-Track™ Adaptive Output Control Makes Optimal Use of Limited Input Power
  • I2C Port for Optimal System Performance and Status Information
  • Input Overvoltage Protection
  • Bat-Track Control of External Step-Down Switching Regulator Maximizes Efficiency from Automotive and Other High Voltage Sources
  • Instant-On Operation with Low Battery
  • Optional Overtemperature Battery Conditioner Improves High Temperature Battery Safety Margin
  • Ideal Diode Seamlessly Connects Battery When Input Power is Limited or Unavailable
  • Full-Featured Li-Ion/Polymer Battery Charger
  • 1.5A Maximum Charge Current with Thermal Limiting
  • Slew Control Reduces Switching EMI
  • 20-Lead 3mm × 4mm × 0.75mm QFN Package
LTC4099
I2C Controlled USB Power Manager/ Charger with Overvoltage Protection
I 2C Controlled High Efficiency Battery Charger/ USB Power Manager Reduced Power Dissipation vs Linear Battery Charger Product Package 1
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Design Note 1

Technical Articles 1

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Hardware Ecosystem

Parts Product Life Cycle Description
Battery Fuel Gauge and Coulomb Counter 1
LTC2942
NOT RECOMMENDED FOR NEW DESIGNS Battery Gas Gauge with Temperature, Voltage Measurement
Pushbutton Controllers 1
LTC2955
RECOMMENDED FOR NEW DESIGNS Pushbutton On/Off Controller with Automatic Turn-On
USB Isolators 1
LTM2884
PRODUCTION Isolated USB Transceiver with Isolated Power
USB Power Manager (PowerPath, Battery Charger) 1
LTC4155
RECOMMENDED FOR NEW DESIGNS Dual Input Power Manager/ 3.5A Li-Ion Battery Charger with I2C Control and USB OTG
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Evaluation Kits

eval board
schematic 1
DC1396A

LTC4099EPDC Demo Board | I2C-Controlled USB Power Manager/Charger with Overvoltage Protection (requires DC590)

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Product Details

Demonstration Circuit 1396A is an I2C-controlled, high-efficiency USB/5V Powered 1A Li-Ion battery charger/manager with the control hooks for an external HV battery-tracking step-down controller (LT3480 is recommended). The Input current is automatically limited for USB compatibility.  The DC1396's input voltage ranges from 4.35V to 5.5V, and the device provides overvoltage protection from up to 30V. The device features a CC/CV linear charger with a 4.2V charge voltage, C/x detection and timer termination.


 


 
DC1396A
LTC4099EPDC Demo Board | I2C-Controlled USB Power Manager/Charger with Overvoltage Protection (requires DC590)
DC1396A - Schematic

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