Texas Instruments bq2512 Series, User Manual

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Introduction
5 SLUUBC8A – August 2015 – Revised May 2016
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bq2512x Evaluation Module
1.5 Test Points
Table 2 provides descriptions of the test points.
Table 2. Test Points Description
Test Points Description
TP1 TS pin
TP2 SDA pin
TP3 /MR pin
TP4 SCL pin
TP5 INT pin
TP6 /PG pin
TP7 /RESET pin
TP8 BAT pin
TP9 LS/LDO pin
TP10 SYS pin
TP11 PMID pin
TP13 IN pin
TP14 SW pin
TP /CD /CD pin
1.6 Default Settings
The bq2512xEVM module has provided the capability of changing key parameters using I
2
C and the
EV2400 communication interface. However, I
2
C communication is not required for this device to operate.
The module is programmed to the default settings as is described in Table 3 , Table 4 shows the initial
jumper positions on the PCB.
Table 3. Default Settings
Parameter Options bq2512x
BAT_UVLO 2.2 V to 3.4 V (200-mV step) 3.0 V
VSYS 1.1 V to 3.3 V (100-mV step) 1.8 V
LS/LDO LS, 0.8 V to 3.3 V (100-mV step) LS
VBREG 3.6 V to 4.65 V (10-mV step) 4.2 V
ICHG 5 mA to 300 mA 10 mA
IPRETERM 500 µA to 50 mA 2 mA
Input ILIM 50 mA to 400 mA (50-mA step) 100 mA
VIN_DPM_ON On or Off On
VIN_DPM Threshold 4.2 V to 4.9 V 4.6 V
Auto Charge On or Off On
Safety Timer 30 min, 3 hr, 9 hr, Disabled 3 hr
Table 4. Initial Jumper Position
J6 J9 J11 J12 J14 J15 J25
TS = TS_Pot ITERM = GND ISET= GND Installed ILIM = GND Installed VINLS = PMID