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LTC4110

Features: ` Complete Backup Battery Manager for Li-Ion/ Polymer, Lead Acid, NiMH/NiCd Batteries and Super Capacitors` Charge and Discharge Battery with Voltages Above and Below the Input Supply Voltage` No Heat Battery Calibration Discharge Using System Load` Automatic Battery Backup with Input ...

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SeekIC No. : 004402466 Detail

LTC4110: Features: ` Complete Backup Battery Manager for Li-Ion/ Polymer, Lead Acid, NiMH/NiCd Batteries and Super Capacitors` Charge and Discharge Battery with Voltages Above and Below the Input Supply Volt...

LTC4110 Data Sheet

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Part Number:
LTC4110
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/23

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Product Details

Description



Features:

` Complete Backup Battery Manager for Li-Ion/ Polymer, Lead Acid, NiMH/NiCd Batteries and Super Capacitors
` Charge and Discharge Battery with Voltages Above and Below the Input Supply Voltage
` "No Heat" Battery Calibration Discharge Using System Load
` Automatic Battery Backup with Input Supply Removal Using PowerPath™ Control
` Standalone for Li-Ion/Polymer, SLA, and Supercaps
` Optional SMBus/I2C Support Allows Battery Capacity Calibration Operation with Host
` Over- and Under-Battery Voltage Protection
` Adjustable Battery Float Voltage
` Precision Charge Voltage ±0.5%
`Programmable Charge/Calibration Current Up to 3A with ±3% Accuracy
` Optional Temperature Qualifi ed Charging
` Wide Backup Battery Supply Range: 2.7V to 19V
` Wide Input Supply Range: 4.5V to 19V
`38-Lead (5mm * 7mm) QFN Package


Application

· Backup Battery Systems
· Server Memory Backup
·n Medical Equipment
· High Reliability Systems


Pinout

Connection Diagram


Specifications

DCIN, BAT, DCOUT, DCDIV, SHDN
to GND .................................................0.3V to 20V
Input Voltage (CLP, CLN) ........0.3V to DCIN + 0.3V
Input Voltage (CSP, CSN) ......... 0.3V to BAT + 0.3V
Input Voltage
(GPIO1, GPIO2, GPIO3, SELC, SELA, TYPE, VCHG,
THA, THB, ISENSE, ACPDLY, SDA, SCL) ....0.3V to 7V
Input Voltage (VCAL, VDIS) ............... 0.3V to 1.35V
Output Voltage
(ACPb, GPIO1, GPIO2, GPIO3) ................0.3V to 7V
CLP-CLN, CSP-CSN ..............................................±1V
Operating Temperature Range (Note 2)40 to 85
Junction Temperature (Note 3) ..........................105
Storage Temperature Range
QFN Package ......................................65 to 125


Description

The LTC®4110 is a complete single chip, high effi ciency, fl yback battery charge and discharge manager with automatic switchover between the input supply and the backup battery or super capacitor. The IC provides four modes of operation: battery backup, battery charge, battery calibration and shutdown. Battery backup and battery charge are automatic standalone modes, while the optional calibration mode requires a CPU host to communicate over an SMBus. During calibration the fl yback charger is used in reverse to discharge the battery with a programmable constant current into the system load eliminating heat generation.

Three status outputs can be individually reconfi gured over the SMBus to become GPIOs. User programmable overdischarge protection is provided. The SHDN pin isolates the battery to support shipping the product with a charged battery installed.

Multiple LTC4110s can be combined to form a redundant battery backup system or increase the number of battery packs to achieve longer backup run times.

The LTC4110 is available in a low profi le (0.75mm), 38-pin 5mm × 7mm QFN package. The QFN features an exposed metal die mount pad for optimum thermal performance.




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