Texas Instruments BQ24765 Evaluation Module for SMBus Controlled Battery Charger with Integrated FETs BQ24765EVM BQ24765EVM 데이터 시트
제품 코드
BQ24765EVM
-0.20
-0.18
-0.16
-0.14
-0.12
-0.10
-0.08
-0.06
-0.04
-0.02
0.00
0.02
0
1k 2k
3k
4k
5k
6k
7k 8k 9k
Current Setpoint - mA
Vreg = 12.592V
RegulationError-%
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0.0
0.1
0.2
0.3
0
5000
10000
15000
VREG DAC Set Point - mV
RegulationError-%
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
0
2
4
6
8
10
12
14
Battery Voltage - V
BatteryChargeCurrent-
A
Vbat_dac = 12.592V, Ichrg_dac = 4.096A
Actual regulation: Ichrg = 220mA at VFB<2.5V
Ichrg = 3A max at 2.5V<VFB<4V
Ichrg = 4.096A at VFB>4V
Actual regulation: Ichrg = 220mA at VFB<2.5V
Ichrg = 3A max at 2.5V<VFB<4V
Ichrg = 4.096A at VFB>4V
0.0
2.0
4.0
6.0
8.0
10.0
12.0
0
1k
2k
3k
4k
5k
6k
7k
8k
ICHG DAC Set Point - mA
RegulationError-%
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SLUS999 – NOVEMBER 2009
TYPICAL CHARACTERISTICS (continued)
VFB VOLTAGE REGULATION ACCURACY
VFB VOLTAGE REGULATION ACCURACY
vs
vs
CHARGE CURRENT
SET POINT
Figure 5.
Figure 6.
CHARGE CURRENT REGULATION ACCURACY
CHARGE CURRENT REGULATION
vs
vs
V(CSOP-CSON) VOLTAGE SET POINT
VFB VOLTAGE
Figure 7.
Figure 8.
Copyright © 2009, Texas Instruments Incorporated
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