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Details for BQ24070RHLTG4 by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Battery Management
CHARGER LI-LON 4.4V SMD QFN-20
BQ24070RHLTG4 image

BQ24070RHLTG4 by Texas Instruments

CHARGER LI-LON 4.4V SMD QFN-20
Features
4.4-V and 6-V Options for System Output
Autonomous Power Source Selection (AC Adapter or BAT)
Charge Status Outputs for LED or System Interface Indicates Charge and Fault Conditions
Designed for Single-Cell Li-Ion- or Li-Polymer- Based Portable Applications
Integrated Dynamic Power-Path Management (DPPM) Feature Allowing the AC Adapter to Simultaneously Power the System and Charge the Battery
Power Good Status Outputs
Power Supplement Mode Allows Battery to Supplement the AC Input Current
Reverse Current, Short-Circuit, and Thermal Protection
Small 3.5-mm u00d7 4.5-mm VQFN Package
Supports Up to 2 A Total Current
Thermal Regulation for Charge Control
Part Information
BQ24070RHLTG4 image
RoHS Compliant
Description
The bq24070 and bq24071 are highly integrated Liion linear charger and system power-path management devices targeted at space-limited portable applications. The bq2407x devices offer DC supply (AC adapter) power-path management with autonomous power-source selection, power FETs and current sensors, high-accuracy current and voltage regulation, charge status, and charge termination, in a single monolithic device. The bq2407x devices power the system while independently charging the battery. This feature reduces the charge and discharge cycles on the battery, allows for proper charge termination, and allows the system to run with an absent or defective battery pack. This feature also allows for the system to instantaneously turn on from an external power source in the case of a deeply discharged battery pack. The IC design is focused on supplying continuous power to the system when available from the AC adapter or battery sources.
Specifications
Battery Type:
Li-Ion Li-Pol
Input Voltage:
16V
Battery Charge Voltage:
4.2V
Charge Current Max:
1.5A
Battery IC Case Style:
QFN
No. of Pins:
20Pins
No. of Series Cells:
1
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 2 - 1 year
SVHC:
No SVHC (27-Jun-2018)
Base Number:
24070
Battery Management Function:
Charge Controller
Operating Temperature Range:
-40°C to +85°C
Output Voltage Max:
4.5V
Supply Voltage Min:
4.35V
Termination Type:
Surface Mount Device
Alternate Descriptions
Battery Charger Li-Ion/Li-Pol 1000mA 4.4V 20-Pin VQFN EP T/R Avnet America