R5421N152F-TR-FB [RICOH]
Power Management Circuit;
| 型号： | R5421N152F-TR-FB |
| 厂家： | 
RICOH ELECTRONICS DEVICES DIVISION |
| 描述： | Power Management Circuit |
| 文件： | 总20页 (文件大小：181K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Li-Ion BATTERY PROTECTOR
NO. EA-069-0204
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10
R5421NxxxC/xxxF
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• VD3/Excess Current Detector, Short Circuit Protector
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11
R5421NxxxC/xxxF
TEST CIRCUITS
5
5
2
6
4
0.01µF
2
6
1
V
V
3
Test Circuit 1
Test Circuit 2
5
5
2
6
50µA
2
6
1
3
A
V
V
Test Circuit 3
Test Circuit 4
50µA
5
2
6
1
5
2
6
50µA
V
3
V
Test Circuit 5
Test Circuit 6
50µA
1
5
2
6
5
2
A
V
6
Test Circuit 7
Test Circuit 8
12
R5421NxxxC/xxxF
R1
5
2
5
2
6
3
1
C3
C1
R2
V
V
1
C2
6
Test Circuit 9
Test Circuit 10
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13
R5421NxxxC/xxxF
TYPICAL CHARACTERISTICS
1) Over-charge Threshold vs. Temperature
2) Over-discharge Threshold vs. Temperature
2.540
4.270
2.530
2.520
2.510
2.500
4.260
4.250
4.240
4.230
4.220
4.210
4.200
2.490
2.480
2.470
-60 -40 -20
0
20
40
60
80 100
-60 -40 -20
0
20
40
60
80 100
Temperature Topt (°C)
Temperature Topt (°C)
3) Excess Current Threshold vs. Temperature
4) Short Circuit Protector Threshold vs. Temperature
VDD=3.0(V)
0.210
2.40
2.35
0.205
0.200
2.30
2.25
2.20
2.15
2.10
0.195
0.190
-60 -40 -20
0
20
40
60
80 100
-60 -40 -20
0
20
40
60
80 100
Temperature Topt (°C)
Temperature Topt (°C)
5) Over-charge Released Voltage vs. Temperature
6) Over-discharge Released Voltage vs. Temperature
(for R5421NxxxF)
3.14
4.070
4.060
4.050
4.040
3.13
3.12
3.11
3.1
4.030
4.020
3.09
3.08
3.07
3.06
4.010
4.000
-60 -40 -20
0
20 40 60
80 100
-60 -40 -20
0
20 40 60
80 100
Temperature Topt (°C)
Temperature Topt (°C)
14
R5421NxxxC/xxxF
7) Output Delay of Over-charge vs. Temperature
8) Output Delay of Over-discharge vs. Temperature
C=0.01(µF)
VDD=3.6(V)→4.3(V)
V
DD=3.6(V)→2.2(V)
18
16
14
12
10
8
100
90
80
70
60
50
40
30
20
6
4
2
-60 -40 -20
0
20
40
60
80 100
-60 -40 -20
0
20
40
60
80 100
Temperature Topt (°C)
Temperature Topt (°C)
9) Output delay of Excess current vs. Temperature
10) Output Delay of Short circuit protector vs. Temperature
VDD=3.0(V)
VDD=3.0(V)
10
20
18
16
14
12
8
6
10
8
4
2
0
6
4
2
0
-60 -40 -20
0
20
40
60
80 100
-60 -40 -20
0
20
40
60
80 100
Temperature Topt (°C)
Temperature Topt (°C)
11) Supply Current vs. Temperature
V
DD=3.9(V) V-=0(V)
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
-60 -40 -20
0
20
40
60
80 100
Temperature Topt (°C)
15
R5421NxxxC/xxxF
12) Supply Current vs. Temperature(for R5421NxxxC) 12) Standby Current vs. Temperature(for R5421NxxxF)
V
DD=2.0(V)
V
DD=2.0(V)
1.4
1.2
1
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0.8
0.6
0.4
0.6
0
-60 -40 -20
0
20
40
60
80 100
-60 -40 -20
0
20
40
60
80 100
Temperature Topt (°C)
Temperature Topt (°C)
13) COUT Nch Driver ON Voltage vs. Temperature
14) COUT Pch Driver ON Voltage vs. Temperature
I
OL= 50(µA)
V
DD=4.4(V)
I
CH= 50(µA)
VDD=3.9(V)
0.400
0.350
0.300
0.250
0.200
3.900
3.850
3.800
3.750
3.700
0.150
0.100
3.650
3.600
-60 -40 -20
0
20
40
60
80 100
-60 -40 -20
0
20
40
60
80 100
Temperature Topt (°C)
Temperature Topt (°C)
15) DOUT Nch Driver ON Voltage vs. Temperature
16) DOUT Pch Driver ON Voltage vs. Temperature
I
OL= 50(µA)
V
DD=2.4(V)
I
CH= 50(µA)
VDD=3.9(V)
3.900
3.850
3.800
0.500
0.450
0.400
0.350
0.300
0.250
0.200
0.150
3.750
3.700
3.650
3.600
0.100
0.050
-60 -40 -20
0
20
40
60
80 100
-60 -40 -20
0
20
40
60
80 100
Temperature Topt (°C)
Temperature Topt (°C)
16
R5421NxxxC/xxxF
17) Output Delay of Over-charge vs. Capacitance C3 18) Output Delay of Short protection vs. Capacitance C2
R1=100Ω, C1=0.1µF, C3=0.01µF, R2=1kΩ
V
DD=3.8V→4.3V(R1=100Ω, C1=0.1µF, R2=1kΩ, C2=0.1µF)
10000
1000
100
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
10
1
0.2
0
0
0.05
0.1
0.15
0.2
0.25
0.001
0.01
0.1
1
C3 (µF)
C2 (µF)
19) Output Delay of Excess Current vs. VDD
20) Excess Current Threshold vs. External Resistance R2
V-=0V→1V
25
0.23
20
15
0.22
0.21
10
5
0.20
0.19
0
2.5
3
3.5
4
4.5
0
0.5
1
1.5
2
2.5
3
R2 (kΩ)
Supply Voltage VDD (V)
21) Over-charge Threshold vs. External Resistance R1
4.274
4.272
4.27
4.268
4.266
4.264
0
200
400
600
800
1000
R1 (Ω)
17
R5421NxxxC/xxxF
TYPICAL APPLICATION
R1
100Ω
C1
0.1µF
5
4
6
R5421NxxxC
1
2
C3
0.01µF
3
R2
1kΩ
C2
0.1µF
APPLICATION HINTS
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18
R5421NxxxC/xxxF
TIMING DIAGRAM
• R5421NxxxC
Discharging
Charging
Charging
Open
Open
Excess
Short
Charging
Charging
Discharging
Discharging
current
circuit
VDET
VREL1
VDD
VDET
t
t
VDD
Vshort
V-
VDET3
VSS
tVDET1
tVDET1
VDD
COUT
V-
tVDET2
t
t
tshort
tVDET2
tVDET3
VDD
DOUT
VSS
Charging
Current
0
t
Discharging
Current
19
R5421NxxxC/xxxF
• R5421NxxxF
Discharging
Open
Charging
Open
Open
Excess
current
Short
Charging
Charging
Discharging
Discharging
circuit
VDET1
VREL1
VDD
VREL2
VDET
t
VDD
Vshort
V-
VDET3
VSS
t
tVDET1
tVDET1
VDD
COUT
DOUT
V-
t
t
t
tVDET2
tshort
tVDET2
tVDET3
VDD
VSS
Charging
Current
0
Discharging
Current
20
相关型号：
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