参数资料
型号: DS2776G+
厂商: Maxim Integrated Products
文件页数: 3/46页
文件大小: 0K
描述: IC FUEL GAUGE LI+ 2CELL 14-TDFN
产品培训模块: 1-Wire Communications
Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
功能: 燃料,电量检测计/监控器
电池化学: 锂离子(Li-Ion)、锂聚合物(Li-Pol)
电源电压: 4 V ~ 9.2 V
工作温度: -20°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 14-WFDFN 裸露焊盘
供应商设备封装: 14-TDFN-EP(3x5)
包装: 管件
产品目录页面: 1436 (CN2011-ZH PDF)
2-Cell, Stand-Alone, Li+ Fuel-Gauge IC with
Protector and Optional SHA-1 Authentication
ELECTRICAL CHARACTERISTICS (continued)
(V DD = +4.0V to +9.2V, T A = -20°C to +70°C, unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
DQ, PIO, SDA Output Logic-Low
DQ, PIO Pullup Current
DQ, PIO, SDA, SCL Pulldown
Current
SYMBOL
V OL
I PU
I PD
CONDITIONS
I OL = 4mA
Sleep mode, V PIN = (V DD - 0.4V)
Active mode, V PIN = 0.4V
MIN
30
30
TYP
100
100
MAX
0.4
200
200
UNITS
V
nA
nA
DQ Input Capacitance
C DQ
50
pF
DQ Sleep Timeout
PIO, DQ Wake Debounce
t SLEEP
t WDB
DQ < V IL
Sleep mode
2
100
9
s
ms
SHA-1 COMPUTATION TIMING (DS2776/DS2778 ONLY)
(V DD = +4.0V to +9.2V, T A = 0°C to +70°C, unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Computation Time
t COMP
30
ms
ELECTRICAL CHARACTERISTICS: PROTECTION CIRCUIT
(V DD = +4.0V to +9.2V, T A = 0°C to +50°C, unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
Overvoltage Detect
Charge-Enable Voltage
Undervoltage Detect
Overcurrent Detect: Charge
Overcurrent Detect: Discharge
Short-Circuit Current Detect
Overvoltage Delay
Undervoltage Delay
Overcurrent Delay
Short-Circuit Delay
Charger-Detect Hysteresis
Test Threshold
Test Current
PLS Pulldown Current
Recovery Current
SYMBOL
V OV
V CE
V UV
V COC
V DOC
V SC
t OVD
t UVD
t OCD
t SCD
V CD
V TP
I TST
I PPD
I RC
CONDITIONS
V OV = 1110111b
V OV = 1100011b
Relative to V OV
Programmable in Control register 0x60h,
UV[1:0] = 10
OC = 11b
OC = 00b
OC = 11b
OC = 00b
SC =1b
SC = 0b
(Note 3)
(Note 3)
V UV condition
COC, DOC condition
DOC condition
COC condition
Sleep mode
V UV condition, max: V PLS = 15V, V DD = 1.4V;
min: V PLS = 4.2V, V DD = 2V
MIN
4.438
4.242
2.415
-60
-12.5
80
25
240
120
600
600
8
80
0.4
20
-45
200
3.3
TYP
4.473
4.277
-100
2.450
-75
-25
100
38
300
150
10
120
50
1.0
40
-60
400
8
MAX
4.508
4.312
2.485
-90
-38
120
50
360
180
1400
1400
12
160
1.2
80
-95
630
13
UNITS
V
mV
V
mV
mV
mV
ms
ms
ms
μs
mV
V
μA
μA
mA
_______________________________________________________________________________________
3
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