SI9730 Datasheet, PDF (3/14 Pages) Vishay Siliconix – Dual-Cell Lithium Ion Battery Control IC

Si9730
Vishay Siliconix
SPECIFICATIONS
Parameter
Symbol
Test Condition
Unless Otherwise Specified
Analog Section (cont’d)
A
Suffix
V_OC1
Cell 1
V_OC2
Cell 2
Over-Charge
Detect Threshold (Rising)
B
Suffix
C
Suffix
V_OC1
Cell 1
V_OC2
Cell 2
V_OC1
Cell 1
V_OC2
Cell 2
D
Suffix
V_OC1
Cell 1
V_OC2
Cell 2
Over-Charge Threshold Difference
Over-Charge Detect Threshold
Hysteresis^c
Cell 1
Cell 2
Over-Discharge
Detect Threshold (Falling)
Cell 1
Cell 2
Cell Balancing Current
Cell 1
Cell 2
Timer Charge Current
ȧV_OC1 − V_OC2ȧ
V_{OC_H1}
V_{OC_H2}
V_ODC1
V_ODC2
I_BAL1
I_BAL2
I_TIMER(C)
Timer Discharge Current
I_TIMER(D)
DL2 Time (Over-Charge)
t_DL2OC
DL2 Time (Over-Discharge)
External Short Circuit Sense Current
Reset Threshold
Center Tap, Average Bias Current
Overcharge Load Detect
Power-Down Charger Detect Threshold
DCO Pulse Width
t_DL2ODC
I_VMSHORT
V_RTH
I_VC
t_OCC
V_CHPD
t_PW
V_C2 = 4.05 V
V_DD − V_M = 8.6 V
V_C1 = 4.05 V
V_DD − V_M = 8.6 V
V_C2 = 4.05 V
V_DD − V_M = 8.6 V
V_C1 = 4.05 V
V_DD − V_M = 8.6 V
V_C2 = 4.05 V
V_DD − V_M = 8.6 V
V_C1 = 4.05 V
V_DD − V_M = 8.6 V
V_C2 = 4.05 V
V_DD − V_M = 8.6 V
V_C1 = 4.05 V
V_DD − V_M = 8.6 V
T_A = 25_C
T_A = −25_C
T_A = 85_C
T_A = 25_C
T_A = −25_C
T_A = 85_C
T_A = 25_C
T_A = −25_C
T_A = 85_C
T_A = 25_C
T_A = −25_C
T_A = 85_C
T_A = 25_C
T_A = −25_C
T_A = 85_C
T_A = 25_C
T_A = −25_C
T_A = 85_C
T_A = 25_C
T_A = −25_C
T_A = 85_C
T_A = 25_C
T_A = −25_C
T_A = 85_C
V_DD − V_M = 8.6 V
V_C2 = 4.05 V
V_C1 = 4.05 V
V_C2 = 2.6 V
V_M = V_SS
V_C1= 2.6 V
V_C1= 4.4 V, V_C2= 4.05 V
V_C2= 4.4 V, V_C1= 4.05 V
V_C2 = 3.3 V, V_M = V_SS
V_C = V_SS, T_A = 25_C
V_C1 = V_C2 = 3.3 V, V_DD = V_M
V_DD − V_C = 6.1 V, T_A = 25_C
V_C1 = 4.05 V, V_DD − V_M = 10 V
C_D = 500 pF, T_A = 25_C, See Figure 4
V_C1 = 2.6 V, V_M = V_SS, C_D = 500 pF
T_A = 25_C, See Figure 5
V_C1 = V_C2 = 4.4 V, V_M = V_DD
V_C1 = V_C2 = 4.05 V, See Figure 3
V_C1 = V_C2 = 4.05 V, V_M = V_DD
V_C1 = V_C2 = 4.4 V, C_D = 500 pF
C_L = 500 pF, DCO to V_SS, See Figure 1
V_C1 = 2 V, V_C2 = 2.4 V, See Figure 6
C_L = 500 pF, DCO to V_SS, See Figure 7
Notes
a. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum.
b. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.
c. Guaranteed by design, not subject to production test.
Limits
T_A = −25 to 85_C
Min^a Typ^b Max^a
Unit
4.15
4.20
4.25
4.1
4.27
4.1
4.27
4.15
4.20
4.25
4.1
4.27
4.1
4.27
4.2
4.25
4.30
4.15
4.32
4.15
4.32
4.2
4.25
4.30
4.15
4.32
4.15
4.32
V
4.18
4.22
4.25
4.12
4.30
4.12
4.25
4.18
4.22
4.25
4.12
4.30
4.12
4.25
4.28
4.32
4.35
4.22
4.40
4.22
4.35
4.28
4.32
4.35
4.22
4.40
4.22
4.35
20
10
mV
10
2.1
2.2
2.3
V
2.1
2.2
2.3
9
15
30
9
15
30
mA
−0.5
1.0
mA
27
40
60
ms
27
40
60
30
300
mA
42
60
100
mV
−2
2
mA
40
ms
1.1
V
520
ms
Document Number: 70658
S-40135—Rev. F, 16-Feb-04
www.vishay.com
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