EVK-ACT8945AQJ303-T Datasheet, PDF (24/42 Pages) Active-Semi, Inc – Advanced PMU for Atmel SAMA5D3 Series & SAM9 Series Processors

ACT8945A
Rev 2, 11-Feb-14
TYPICAL PERFORMANCE CHARACTERISTICS CONT’D
(T_A = 25°C, unless otherwise specified.)
VSYS Voltage vs. VSYS Current
6.0
5.0
4.0
ACIN/CHGLEV = 01
3.0
ACIN/CHGLEV = 11
2.0
1.0
0
0
500
1000
1500
2000
2500
VSYS Current (mA)
VSYS Voltage vs. CHGIN Voltage
5.2
5.0
4.8
VSYS = 4.6V
4.6
4.4
4.2
4.0
0
2
4
6
8
10
CHGIN Voltage (V)
Charger Current vs. Battery Voltage
100
90
80
70
60
50
40
30
20
10
VBAT Falling
VBAT Rising
0
VCHGIN = 5V
ACIN = 0
CHGLEV = 0
90mA USB
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
Battery Voltage (V)
Charger Current vs. Battery Voltage
500
450
400
VCHGIN = 5V
ACIN = 0
CHGLEV = 1
450mA USB
350
300
250
200
150
100
50
VBAT Falling
VBAT Rising
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
Battery Voltage (V)
Charger Current vs. Battery Voltage
1200
1000
RISET = 2.4kΩ
VCHGIN = 5V
ACIN/CHGLEV = 11
800
600
400
200
VBAT Falling
VBAT Rising
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
Battery Voltage (V)
DCCC and Battery Supplement Modes
CH4
CH3
CH2
CH1
VBAT = 3.5V
VVSYS = 4.6V
IVSYS = 0-1.8A
ICHARGE = 1000mA
VCHGIN = 5.1V-3A
CH1: IVSYS, 1.00A/div
CH2: IBAT, 1.00A/div
CH3: VBAT, 1.00V/div
CH4: VVSYS, 1V/div
TIME: 200ms/div
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