Texas Instruments bq2425xEVM-150, User Manual

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Equipment and EVM Setup
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4.4 Pin Descriptions
Pin descriptions for the EVM are listed in Table 3 .
Table 3. Pin Descriptions
PIN Number bq24250 bq24251 bq24257
YFF YFF YFF
A1,B1,C1 BAT BAT BAT
A2,B2,C2 SYS SYS CSIN
A3,B3,C3 PGND PGND PGND
A4,B4,C4 SW SW SW
A5,B5,C5 IN IN IN
D1 ISET ISET ISET
D2 EN2 D– D–
D3 EN1 D+ D+
D4 CE CE CE
D5 PMID PMID PMID
E1 INT PG PG
E2 SCL SCL SCL
E3 STAT STAT STAT
E4 VDPM VDPM VDPM
E5 BOOT BOOT BOOT
F1 TS TS TS
F2 SDA SDA SDA
F3 PGND PGND PGND
F4 LDO LDO LDO
F5 ILIM ILIM ILIM
4.5 Control and Key Parameters Setting
Table 4 lists and describes the jumpers on the EVM.
Table 4. Control and Key Parameters
Jumpers Description
JP1 Shorting Jumper D+/EN1 and D–/EN2
JP2 2-3 (D+/EN1 = HI):D+/EN1 to logic high
2-1 (D+/EN1 = LO): D+/EN1 to logic low
JP3 2-3 (CE = HI): To place the battery charger in standby mode.
2-1 (CE = LO): Charge enable
JP4 2-3 (TS = Variable): Connect TS pin to variable resistor
2-1 (TS = Fixed): Connect TS pin to fixed resistor
JP5 2-3 (D–/EN2 = HI): D–/EN2 to logic high
2-1 (D–/EN2 = LO): D–/EN2 to logic low
JP6 2-3 (SCL = HI): SCL to logic high
2-1 (SCL = LO): SCL to logic low
JP7 2-3 (SDA = HI): SCL to logic high
2-1 (SDA = LO): SCL to logic low
JP8 Shorting jumper connects CE to J14
JP9 Shorting jumper connects D+/EN1 to J14
JP10 Shorting jumper connects D–/EN2 to J14
6 bq2425xEVM-150, Single-Cell Li-Ion Switch-Mode Charger SLUUA08A – March 2013 – Revised April 2013
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