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Details for BQ24707RGRT by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Battery Management
IC BATTERY CHARGER LI-ION 8A VQFN-20
BQ24707RGRT image

BQ24707RGRT by Texas Instruments

IC BATTERY CHARGER LI-ION 8A VQFN-20
Features
15-u00b5A Off-State Battery Discharge Current
20-pin 3.5 mm u00d7 3.5 mm QFN Package
AC Adapter Operating Range 5 V to 24 V
Enhanced Safety Features for Overvoltage Protection, Overcurrent Protection, Battery, Inductor, and MOSFET Short-Circuit Protection
Independent Comparator With Internal Reference
Integrated Loop Compensation
Integrated Soft-Start
Programmable Adapter Detection and Indicator
Programmable Input Current, Charge Voltage, Charge Current Limits u2013 u00b10.5% Charge Voltage Accuracy up to 19.2 V u2013 u00b13% Charge Current Accuracy up to 8.128 A u2013 u00b13% Input Current Accuracy up to 8.064 A u2013 u00b12% 20u00d7 Adapter Current or Charge Current Output Accuracy
Real-Time System Control on ILIM Pin to Limit Charge Current
SMBus Host-Controlled NMOS-NMOS Synchronous Buck Converter With Programmable 615 kHz, 750 kHz, and 885 kHz Switching Frequency
bq24707: ACOK Delay Default 1.3 s
bq24707A: ACOK Delay Default 1.2 ms
Part Information
BQ24707RGRT image
RoHS Compliant
Description
The bq24707 and bq24707A devices are highefficiency, synchronous battery chargers, offering low component count for space-constrained, multichemistry battery charging applications. SMBus controlled input current, charge current, and charge voltage DACs allow for very high regulation accuracies that can be easily programmed by the system power management micro-controller. The IC uses the internal input current register or external ILIM pin to throttle down PWM modulation to reduce the charge current. The IC provides an IFAULT output to alarm if any MOSFET fault or input over current occurs. This alarm output allows users to turn off input power selectors when the fault occurs. Meanwhile, an independent comparator with internal reference is available to monitor input current, output current, or output voltage. The IC charges one-, two-, three-, or four-series Li+ cells, and is available in a 20-pin, 3.5 × 3.5 mm QFN package.
Specifications
Battery Type:
Li-Ion
Input Voltage:
24V
Battery Charge Voltage:
16.8V
Charge Current Max:
4.219A
Battery IC Case Style:
QFN
No. of Pins:
20Pins
No. of Series Cells:
4
Operating Temperature Min:
0°C
Operating Temperature Max:
125°C
Product Range:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 2 - 1 year
SVHC:
No SVHC (27-Jun-2018)
Base Number:
24707
Operating Temperature Range:
0°C to +125°C
Alternate Descriptions
1-4 Cell Li+ SMBus Charge Control.VQFN20 RS Components
IC, BATTERY CHARGER, LI-ION, 8A, VQFN-20; Battery Type:Li-Ion; Input Voltage:24V; Battery Charge Voltage:16.8V; Charge Current Max:4.219A; Battery IC Case Style:QFN; No. of Pins:20Pins; No. of Series Cells:4; Operating Temperature RoHS Compliant: Yes Newark Electronics
Charge Controller Li-Ion 8000mA 1.024V to 19.2V 20-Pin VQFN EP T/R Avnet America
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