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Jack
J5–GND
JP1–LOW
JP1–TTC
JP1–HI
JP2–HI
JP2–LEDPWR
JP3–VREF
JP3–VPULLUP
JP3–EXT
JP4–VCC
JP4–VCOM
JP5–HI
JP5–CHGEN
1.4
1.4 Controls and Key Parameters Setting
Jack
TTC setting
1-2 : Connect TTC to GROUND (Disable termination and the safety timer)
JP1
2-3 : Connect TTC to VPULLUP (Allow termination, but disable the safety time)
2 floating: Allow termination, CTTC sets the safety timer
The pull-up power source supplies the LEDs when on.
JP2
LED has no power source when off.
VPULLUP setting
JP3
1-2 : Connect VPULLUP to VREF
2-3 : Connect VPULLUP to VEXT
JP4
The pull-up voltage source of ACDRV and BATDRV LED logic circuit.
CHGEN setting
JP5
Jumper on: CHGEN to VPULLUP
Jumper off: CHGEN is set to low by pull down resistor.
1.5
Recommended Operating Conditions
Symbol
Supply voltage, V
IN
Battery voltage, V
BAT
Supply current, I
AC
Charge current, I
chrg
Operating junction
temperature range, T
J
The bq2461x/bq2463x EVM board requires a regulated supply approximately 0.5 V minimum above the
regulated voltage of the battery pack to a maximum input voltage of 28 VDC.
SLUU396A – January 2010 – Revised July 2010
Table 1. I/O Description (continued)
Description
Ground
Ground
Timer capacitor pin
Pull-up voltage source
Pull-up voltage source
LED Pull-up power line
IC reference voltage VREF
Pull-up voltage source
External voltage supply from J2
Pull-up voltage source of ACDRV and BATDRV LED logic circuit
Q7 and Q11 common source
Pull-up voltage source
Charge enable
Table 2. Controls and Key Parameters Setting
Description
Table 3. Recommended Operating Conditions
Description
Input voltage from ac adapter input
Voltage applied at VBAT terminal of J5
Maximum input current from ac adapter
input
Battery charge current
bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger
Copyright © 2010, Texas Instruments Incorporated
Factory Setting
Jumper on 2-3 (TTC and VPULLUP)
Jumper On
Jumper On 1-2 (VPULLUP and
VREF)
Jumper on
Jumper Off
Min
Typ
5
24
(610/616/63x)
2.1 (61x)
21 (61x)
1.8 (63x)
18 (63x)
0
2
3
0
Introduction
Max
Unit
24(617)
28
V
V
4.5
A
8
A
125
°C
3
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