R5426D102AA-TR [RICOH]
Power Supply Support Circuit, Fixed, 1 Channel, PDSO6, SON-6;
| 型号： | R5426D102AA-TR |
| 厂家： | 
RICOH ELECTRONICS DEVICES DIVISION |
| 描述： | Power Supply Support Circuit, Fixed, 1 Channel, PDSO6, SON-6 光电二极管 |
| 文件： | 总24页 (文件大小：251K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
LI-ION/POLYMER 1CELL PROTECTOR
NO. EA-090-0402
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BLOCK DIAGRAM
VDD
DS
Oscillator
Counter
-
Logic
Circuit
Level
Shift
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-
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VD2
Short
Detector
Delay
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-
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Circuit
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VSS
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SELECTION GUIDE
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PIN CONFIGURATIONS
SOT-23-6
SON6
6
5
4
1
2
3
6
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4
(mark side)
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1
2
3
PIN DESCRIPTION
Pin No.
Symbol
Description
SOT-23-6
SON6
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ABSOLUTE MAXIMUM RATINGS
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Symbol
Item
Ratings
Unit
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ELECTRICAL CHARACTERISTICS
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Symbol
Item
Conditions
Min.
Typ.
Max.
Unit
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OPERATION
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• VD4/ Excess charge-current detector
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8
R5426xxxxx
• DS (Delay Shorten) function
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9
R5426xxxxx
TIMING CHART
1. Over-charge, Excess charge Current Operation
Excess
Charge
Current
Disconnect
Charger
+Connect Load
Connect
Charger
Connect
Load
Connect
Charger
Connect
Load
V
DET1
VDD
t
V
DD
V-
V
V
DET3
SS
DET4
V
t
t
tVDET1
tVDET1
tVDET4
V
DD
COUT
tVREL1
tVREL1
tVREL4
V
-
Charge
Current
Charge/
Discharge
Current
0
t
Discharge
Current
10
R5426xxxxx
2. Over discharge, Excess discharge current, Short circuit operation
Excess
Discharge
Current
Connect
Charger
Short
Connect
Charger
Connect Load
Connect Load
Open
Open
VDD
V
DET2
t
t
V
DD
Vshort
V-
V
V
DET3
SS
DET4
V
tVDET2
tshort
tVDET2
tVDET3
V
DD
DOUT
tVREL2
tVREL2
tVREL3
tVREL3
V
SS
t
Charge
Current
Charge/
Discharge
Current
0
t
Discharge
Current
11
R5426xxxxx
TYPICAL APPLICATION
+
R1 330Ω
V
DD DS
C1
V-
R5426
0.1µF
VSS
DOUT
COUT
R2 1kΩ
–
APPLICATION HINTS
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12
R5426xxxxx
TEST CIRCUITS
V
DD
VDD
V
D
OUT
OUT
V
V
V-
C
OUT
V-
C
OSCILLOSCOPE
V
SS
VSS
A
C
E
B
D
F
V
DD
V
DD
V
V-
C
OUT
V-
DOUT
V
SS
VSS
V
DD
VDD
V-
DOUT
V-
DOUT
A
V
V
SS
VSS
V
DD
VDD
D
OUT
V-
V-
C
OUT
A
DS
V
V
V
SS
VSS
G
H
A
COUT
VDD
V
DD
COUT
V
A
V-
V-
V
V
SS
VSS
I
J
13
R5426xxxxx
A
V
DD
VDD
DOUT
V
A
V-
DOUT
V-
V
V
SS
VSS
K
L
VDD
A
V-
VSS
M
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14
R5426xxxxx
TYPICAL CHARACTERISTICS (Part 1)
1) Minimum Operating Voltage for 0V Cell Charging 2) Maximum Battery Voltage Level for Low Voltage
vs. Temperature
Battery Charge Inhibitory Circuit vs. Temperature
R5426x102CA
R5426x104BB
V
DD-V
SS=0V
VDD-V-=4V
2
2
1.8
1.6
1.4
1.2
1
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0.8
0.6
0.4
0.2
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)
3) Over-Charge Threshold vs. Temperature
4) Output Delay of Over-charge vs. Temperature
R5426x102CA
R5426x102CA
4.37
1.8
1.6
1.4
4.36
4.35
4.34
4.33
4.32
4.31
4.30
1.2
1
0.8
0.6
0.4
0.2
0
-60 -40 -20
0
20 40 60 80 100
-60 -40 -20
0
20 40 60 80 100
Temperature Topt(°C)
5) Output Delay of Release from Over-charge vs.
Temperature
Temperature Topt(°C)
6) Over discharge Threshold vs. Temperature
R5426x102CA
R5426x102CA
30
2.53
2.52
2.51
2.50
2.49
2.48
25
20
15
10
5
2.47
2.46
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)
15
R5426xxxxx
7) Output Delay of Over-discharge vs. Temperature 8) Output Delay of Release from Over-discharge vs.
Temperature
R5426x102CA
R5426x102CA
35
1.8
1.6
1.4
30
25
20
15
10
1.2
1
0.8
0.6
0.4
0.2
0
5
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)
9) Excess Discharge-current Threshold vs.
Temperature
10) Output Delay of Excess Discharge-current vs.
Temperature
R5426x102CA
R5426x102CA
0.210
18
16
14
0.205
0.200
0.195
0.190
12
10
8
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)
11) Output Delay of Release from Excess Dicharge-
current vs. Temperature
Temperature Topt(°C)
12) Short Protection Voltage vs. Temperature
R5426x102CA
R5426x102CA
V
DD=3.0V
1.8
1.6
1.4
2.20
2.15
2.10
2.05
2.00
1.95
1.90
1.85
1.80
1.2
1.0
0.8
0.6
0.4
0.2
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)
16
R5426xxxxx
13) Output Delay of Short Protection vs. Temperature 14) Reset Resistance for Excess Discharge
current Protection vs. Temperature
R5426x102CA
R5426x102CA
VDD=3.6V
700
50
600
500
400
300
200
40
30
20
10
0
100
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)
16) Output Delay of Excess Charge-current vs.
Temperature
15) Excess Charge-current Threshold vs.
Temperature
R5426x102CA
R5426x102CA
-0.110
30
25
20
15
10
5
-0.105
-0.100
-0.095
-0.090
0
-60 -40 -20
0
20 40 60 80 100
-60 -40 -20
0
20 40 60 80 100
Temperature Topt(°C)
17) Output Delay of Release from Excess
Charge-current vs. Temperature
R5426x102CA
Temperature Topt(°C)
18) DS pin “H” Input Minimum
Voltage vs. Temperature
R5426x102CA
VDD=3V
1.8
1.6
1.4
3.0
2.5
2.0
1.5
1.0
1.2
1.0
0.8
0.6
0.4
0.2
0
0.5
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)
17
R5426xxxxx
19) DS pin “M” Input Minimum Voltage vs.
Temperature
20) DS pin Pull-down Resistance vs. Temperature
R5426x102CA
R5426x102CA
VDD=3.6V to 4.4V
VDD=3.6V
3.0
2.5
2.5
2.0
1.5
1.0
0.5
0
2.0
1.5
1.0
0.5
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)
21) Nch ON Voltage of COUT vs. Temperature
22) Pch ON Voltage of COUT vs. Temperature
R5426x102CA
R5426x102CA
I
OH=-50µA, VDD=3.9V
I
OL=50µA, VDD=4.5V
0.5
3.9
0.4
0.3
0.2
0.1
0
3.8
3.7
3.6
3.5
-60 -40 -20
0
20 40 60 80 100
-60 -40 -20
0
20 40 60 80 100
Temperature Topt(°C)
Temperature Topt(°C)
23) Nch ON Voltage of DOUT vs. Temperature
24) Pch ON Voltage of DOUT vs. Temperature
R5426x102CA
R5426x102CA
IOL=50µA, VDD=2.0V
IOH=-50µA, VDD=3.9V
0.4
0.3
0.2
0.1
0
3.9
3.8
3.7
3.6
3.5
-60 -40 -20
0
20 40 60 80 100
-60 -40 -20
0
20 40 60 80 100
Temperature Topt(°C)
Temperature Topt(°C)
18
R5426xxxxx
25) Supply Current vs. Temperature
26) Standby Current vs. Temperature
R5426x102CA
R5426x102CA
V
DD=3.9V, V-=0V
VDD=2.0V
6
5
0.10
0.08
0.06
0.04
0.02
0
4
3
2
1
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)
19
R5426xxxxx
Part 2
Delay Time dependence on VDD
1) Delay Time for Over-charge detect vs. VDD
2) Delay Time for Release from Over-charge vs. VDD
R5426x113CA
V-=0V, VDD=3.6V to 4.4V, 5.0V, 5.6V
R5426x113CA
VDD=3.2V, 3.7V, 4.2V, V-=0V to 1V
1.2
18
16
14
1
0.8
0.6
0.4
0.2
0
12
10
8
6
4
2
0
3.0
4.0
4.5
5.0
5.5
6.0
3.5
4.0
4.5
V
DD(V)
VDD(V)
3) Output Delay of Over-discharge detect vs. VDD
4) Output Delay for Release from
Over-discharge vs. VDD
R5426x113CA
R5426x113CA
V-=0V, VDD=3.6V to 2.2V, 2.0V, 1.5V
V-=0V, VDD=2.2V to 2.4V, 3.3V, 4.2V
22
1.4
20
18
16
14
12
10
8
1.2
1
0.8
0.6
0.4
6
4
2
0.2
0
0
1.0
1.5
2.0
2.5
2.0
2.5
3.0
3.5
4.0
4.5
VDD(V)
VDD(V)
5) Output Delay for Excess Current during
Discharge vs. VDD
6) Output Delay for Release from Excess Discharge
Current Detect vs. VDD
R5426x113CA
R5426x113CA
V
DD=2.4V, 3.3V, 4.2V,
VDD=2.4V, 3.3V, 4.2V, V-=0V to 1V
V-=2.4V, 3.3V, 4.2V to 0V
14
1.4
12
10
8
1.2
1
0.8
0.6
0.4
6
4
2
0
0.2
0
2.0
2.5
3.0
3.5
4.0
4.5
2.0
2.5
3.0
3.5
4.0
4.5
V
DD(V)
VDD(V)
20
R5426xxxxx
7) Delay Time for Excess Charge Current Detect
8) Delay Time for release from Excess charge
current detect vs. VDD
R5426x103CA
vs. VDD
R5426x103CA
V
DD=2.4V, 3.3V, 4.2V, V-=0V to -1V
V
DD=2.4V, 3.3V, 4.2V, V-=-1V to 0V
18
16
14
1.4
1.2
1
12
10
8
0.8
0.6
0.4
6
4
0.2
0
2
0
2.0
2.5
3.0
3.5
4.0
4.5
2.0
2.5
3.0
3.5
4.0
4.5
VDD(V)
VDD(V)
9) Output Delay for Short vs. VDD
R5426x103CA
VDD=2.4V, 3.3V, 4.2V,
V-=0V to 2.4V, 3.3V, 4.2V
700
600
500
400
300
200
100
0
2
2.5
3
3.5
4
4.5
VDD(V)
21
R5426xxxxx
Part 3
Supply Current dependence on VDD
Test Circuit
+
R1 330Ω
A
V
DD DS
C1
R5426N113CA V-
0.1µF
V
SS DOUT COUT
1kΩ
R2
–
Si9926
Supply Current vs. VDD
5
4
3
2
1
0
0
1
2
3
4
5
VDD(V)
22
R5426xxxxx
Part 4
Over-charge detector, Release voltage from Over-charge, Over-discharge detector, Release voltage
from Over-discharge dependence on External Resistance value
Test Circuit
+
R1
V
DD DS
C1
R5426N113CA V-
0.1µF
V
SS DOUT COUT
1kΩ
R2
–
Si9926
Over-discharge Detector Threshold / Released Voltage from Over-discharge vs. R1
2.327
2.326
Over-discharge Threshold
2.325
Release Threshold from
Over-discharge
2.324
2.323
2.322
2.321
2.32
2.319
2.318
2.317
2.316
0
100
200
300
400
500
600
700
800
900
1000
R1(Ω)
Over-charge / Released from Over-charge Threshold vs. R1
4.294
4.293
4.292
4.291
4.29
Over-charge Threshold
Release Threshold from
Over-charge
4.289
4.288
0
100
200
300
400
500
600
700
800
900
1000
R1(Ω)
23
R5426xxxxx
Part 5
Charger Voltage at Released from Over-discharge with a Charger dependence on R2
Test Circuit
R1 330Ω
V
DD DS
C1
R5426N113CA
V-
0.1µF
4.25V
V
SS
D
OUT
COUT
R2
Si9926
Charger Voltage at Release from Over-discharge with a charger vs. R2
V
DD=4.25V
2.5
2
1.5
1
0.5
0
0
50
100
150
200
250
300
R2(kΩ)
24
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