参数资料
型号: DS2790G+T&R
厂商: Maxim Integrated Products
文件页数: 4/41页
文件大小: 0K
描述: IC FUEL GAUGE BATT 28-TDFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
功能: 燃料,电量检测计/监控器
电池化学: 锂离子(Li-Ion)
电源电压: 2.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-TDFN
供应商设备封装: 28-TDFN-EP(8x4)
包装: 带卷 (TR)
DS2790 Programmable 1-Cell Li-Ion Fuel Gauge and Protector
PARAMETER
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
SYMBOL
V UV
V OC
V SC
t OVD
t UVD
t OCD
t SCD
t SSCD
V TP
I TST
I PD
I RC
CONDITIONS
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 DD = 2.0V
MIN
2.430
15.6
31.2
47.0
62.7
75
105
135
165
0.8
75
15
1.5
187
20
0.3
10
0.5
TYP
2.450
16
32
48
64
100
140
180
220
1
100
20
2
250
1.0
20
200
1
MAX
2.470
16.4
32.8
49.0
65.3
125
175
225
275
1.2
125
25
2.5
313
200
1.5
40
2
UNITS
V
mV
mV
mV
mV
mV
mV
mV
mV
s
ms
ms
ms
μ s
μ s
V
μ A
μ A
mA
ELECTRICAL CHARACTERISTICS: 2-WIRE INTERFACE
(2.5V ≤ V DD ≤ 5.5V, T A = -20 ° C to +70 ° C.)
PARAMETER
SCL Clock Frequency
SYMBOL
f SCL
CONDITIONS
MIN
0
TYP
MAX
400
UNITS
KHz
Bus Free Time Between a
STOP and START Condition
t BUF
1.3
μs
Hold Time (Repeated)
START Condition
Low Period of SCL Clock
High Period of SCL Clock
Setup Time for a Repeated
START Condition
t HD:STA
t LOW
t HIGH
t SU:STA
(Note 6)
0.6
1.3
0.6
0.6
μs
μs
μs
μs
Data Hold Time
Data Setup Time
Rise Time of both SDA and
SCL Signals
Fall Time of both SDA and
SCL Signals
t HD:DAT
t SU:DAT
t R
t F
(Note 7, 8)
(Note 7)
(Note 9)
(Note 9)
0
100
20+0.1C B
20+0.1C B
0.9
300
300
μs
ns
ns
ns
4 of 41
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