DS2790 Maxim Integrated Products, DS2790 Datasheet - Page 4

• Manufacturer Part Number: DS2790
• Description: Programmable 1-Cell Li-Ion Fuel Gauge and Protector
• Manufacturer: Maxim Integrated Products

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ELECTRICAL CHARACTERISTICS: 2-WIRE INTERFACE
(2.5V £ V
Undervoltage Detect
Charge and Discharge
Overcurrent Detect
(Limits for Charge Thresholds
are Positive, While Discharge is
Negative.)
Short-Circuit Detect
Overvoltage Delay
Undervoltage Delay
Overcurrent Delay
Short-Circuit Delay
Secondary Short-Circuit Delay
Test Threshold
Test Current
Pulldown Current, PLS
Recovery Charge Current
SCL Clock Frequency
Bus Free Time Between a
STOP and START Condition
Hold Time (Repeated)
START Condition
Low Period of SCL Clock
High Period of SCL Clock
Setup Time for a Repeated
START Condition
Data Hold Time
Data Setup Time
Rise Time of both SDA and
SCL Signals
Fall Time of both SDA and
SCL Signals
4
PARAMETER
DD
PARAMETER
£ 5.5V, T
A
= -20°C to +70°C.)
SYMBOL
SYMBOL
t
V
t
t
t
t
t
t
t
t
V
V
SSCD
I
V
I
OVD
UVD
OCD
SCD
I
HD:STA
SU:STA
HD:DAT
SU:DAT
TST
t
t
RC
PD
f
t
HIGH
UV
OC
SC
LOW
TP
SCL
BUF
t
t
R
F
UVF = 10111b,
(Note 3)
COCT = DOCT = 00b
COCT = DOCT = 01b
COCT = DOCT = 10b
COCT = DOCT = 11b
DOCT = 00b
DOCT = 01b
DOCT = 10b
DOCT = 11b
SCDT = 1
SCDT = 0
(Note 5)
Sleep Mode
VPLS = 5.0V, V
(Note 6)
(Note 7, 8)
(Note 7)
(Note 9)
(Note 9)
CONDITIONS
DS2790 Programmable 1-Cell Li-Ion Fuel Gauge and Protector
CONDITIONS
4 of 41
DD
= 2.0V
20+0.1C
20+0.1C
2.430
15.6
31.2
47.0
62.7
MIN
MIN
105
135
165
187
100
0.8
1.5
0.3
0.5
1.3
0.6
1.3
0.6
0.6
75
75
15
20
10
0
0
B
B
2.450
TYP
TYP
100
140
180
220
100
250
200
1.0
16
32
48
64
20
20
1
2
1
2.470
MAX
MAX
16.4
32.8
49.0
65.3
400
300
300
125
175
225
275
125
313
200
0.9
1.2
1.5
2.5
25
40
2
UNITS
UNITS
KHz
mV
mV
mV
mV
mV
mV
mV
mV
mA
ms
ms
ms
µs
µs
µs
µs
µs
µs
ns
ns
ns
mA
mA
ms
ms
V
V
s