Introduction
1.4
I/O Description
contains the EVM connections.
Table 1. EVM Connections
Jack
Description
J1-PMID
PMID pin connection or power bank output
J1-GND
Ground
J2-V
BUS
Input: positive terminal
J2-GND
Input: negative terminal (ground terminal)
J3-SYS
Connected to system
J3-GND
Ground
J4
USB-to-GPIO connector (USB Interface
Adapter Connector - HPA172)
J5-BAT+
Connected to battery pack
J5-GND
Ground
J6
Mini_USB connector
J7-INT
INT pin connection
J7-OTG
OTG pin connection
J7-CE
CE pin connection
J7-GND
Ground
lists the jumper connections for this EVM.
Table 2. Jumper Connections
Jack
Description
Factory Setting
JP1
VSYS pull-up for STAT, PG, INT, CE, SCL, SDA
Shunt installed
JP2
200-
Ω
short between D+ and D–
Shunt not installed
JP3
TS1 to GND fault
Shunt not installed
lists the switch settings for the EVM.
Table 3. Switch Settings
Switch
Description
Procedure Setting
S2-1
OTG switched to GND: ON
OFF
S2-2
CE switched to GND: ON
OFF
S2-3
TS 10 k
Ω
switched to GND: ON
ON
S2-4
REGN switched to TS divider: ON
ON
PSEL/PG (left) or D+/D– (Right)
S3
Right
Connection
gives the recommended operating conditions for this EVM.
Table 4. Recommended Operating Conditions
Symbol
Description
MIN
TYP
MAX
Unit
Supply voltage, V
IN
Input voltage from AC adapter input
3.9
5
6
V
Battery voltage, V
BAT
Voltage applied at V
BAT
terminal
3.7
4.25
V
Supply current, I
AC
Maximum input current from AC adapter input
3
A
Output current, I
OUT
Output current
4
A
Operating junction temperature range, T
J
0
125
°C
3
SLUUAO5B – August 2013 – Revised April 2014
bq24295EVM-549 (PWR549) User’s Guide
Copyright © 2013–2014, Texas Instruments Incorporated