Texas Instruments BQ24765 Evaluation Module for SMBus Controlled Battery Charger with Integrated FETs BQ24765EVM BQ24765EVM Datenbogen
Produktcode
BQ24765EVM
SLUS999 – NOVEMBER 2009
www.ti.com
ELECTRICAL CHARACTERISTICS
7.0 V
≤
V(DCINA)
≤
24 V, 0°C < T
J
< +125°C, typical values are at T
A
= 25°C, with respect to AGND (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OPERATING CONDITIONS
DCINA/DCINP input voltage
V
DCIN_OP
7
24
V
operating range
CHARGE VOLTAGE REGULATION
V
VFB_OP
VFB input voltage range
0
DCINA
V
16.716
16.8
16.884
V
ChargeVoltage() = 0x41A0
–0.5%
0.5%
12.529
12.592
12.655
V
VFB charge voltage regulation
V
VFB_REG_ACC
ChargeVoltage() = 0x3130
accuracy
–0.5%
0.5%
8.350
8.4
8.450
V
ChargeVoltage() = 0x20D0
–0.6%
0.6%
V
VFB_REG_RNG
Charge voltage regulation range
1.024
19.2
V
CHARGE CURRENT REGULATION
Charge current regulation
V
IREG_CHG
= V
CSOP
– V
CSON
, Maximum charge current
V
IREG_CHG_RNG
0
8064
mV
differential voltage range
is 8.064A with 10m
Ω
sense resistor.
3968
mA
ChargeCurrent() = 0x0F80
–3%
3%
2048
mA
ChargeCurrent() = 0x0800
–5%
5%
I
CHRG_REG_ACC
Charge current regulation accuracy
512
mA
ChargeCurrent() = 0x0200
–25%
25%
128
mA
ChargeCurrent() = 0x0080
–33%
33%
INPUT CURRENT REGULATION
Adapter current regulation
V
IREG_DPM_RNG
V
IREG_DPM
= V
CSSP
– V
CSSN
0
110.08
mV
differential voltage range
4096
mA
InputCurrent()
≥
0x0800
–3%
3%
2048
mA
InputCurrent() = 0x0400
–5%
5%
I
INPUT_REG_ACC
Input current regulation accuracy
512
mA
InputCurrent() = 0x0100
–25%
25%
256
mA
InputCurrent() = 0x0080
–33%
33%
THERMAL REGULATION
Junction temperature regulation
110
120
130
T
J_REG_ACC
CE=High; Charging
°C
accuracy
VREF REGULATOR
V
VREF_REG
VREF regulator voltage
V
DCIN
> V
DCIN_UVLO
; V
ACIN
> 0.6V
3.267
3.3
3.333
V
I
VREF_LIM
VREF current limit
V
VREF
= 0 V, V
DCIN_UVLO
; V
ACIN
> 0.6 V
35
75
mA
VDDP REGULATOR
V
VDDP_REG
VDDP regulator voltage
V
DCIN
> V
DCIN_UVLO
; V
ACIN
> 2.4V, CE=High
5.7
6.0
6.3
V
V
VDDP
= 0V, V
DCIN
> V
DCIN_UVLO
;
90
135
V
ACIN
> 2.4V, CE=High
I
VDDP_LIM
VDDP current limit
mA
V
VDDP
= 5V, V
DCIN
> V
DCIN_UVLO
;
80
V
ACIN
> 2.4V, CE=High
6
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