BQ25120A Datasheet, PDF (49/67 Pages) Texas Instruments – Low IQ Highly Integrated Battery Charge Management Solution for Wearables and IoT

www.ti.com
bq25120A
SLUSD08 – MAY 2017
Typical Application (continued)
10.2.2.3.3 Program the Pre-charge/termination Threshold (IPRETERM)
According to Table 3, the RIPRETERM is 4990 Ω for 10% termination threshold. Therefore, connect a 4.99 kΩ
resistor between IPRETERM pin and GND.
10.2.2.3.4 TS Resistors (TS)
The voltage at TS is monitored to determine that the battery is at a safe temperature during charging. This device
uses JEITA temperature profile which has four temperature thresholds. Refer to Specifications for the detailed
thresholds number.
The TS circuit is shown in Figure 18. The resistor values can be calculated using Equation 1 and Equation 2.
Copyright © 2017, Texas Instruments Incorporated
Product Folder Links: bq25120A
Submit Documentation Feedback
49