ds2775 Maxim Integrated Products, Inc., ds2775 Datasheet - Page 6
![no-image](/images/no-image-200.jpg)
ds2775
Manufacturer Part Number
ds2775
Description
2-cell, Stand-alone, Li+ Fuel-gauge Ic With Protector And Optional Sha-1 Authentication
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.DS2775.pdf
(44 pages)
- Current page: 6 of 44
- Download datasheet (686Kb)
2-Cell, Stand-Alone, Li+ Fuel-Gauge IC with
Protector and Optional SHA-1 Authentication
(T
6
A
= +25°C, unless otherwise noted.)
_______________________________________________________________________________________
20mV/div
50mV/div
2V/div
2V/div
1V/div
2V/div
2V/div
1V/div
20
18
16
14
12
10
0V
0V
0V
0V
0V
0V
0V
0V
8
6
4
2
0
0
0
0
2
DC FET GATE TURN-OFF DURING
2
DISCHARGE-OVERCURRENT
VOLTAGE MEASUREMENT
4
+70°C
4
1
SHORT-CIRCUIT EVENT
PROTECTION DELAY
6
6
ACCURACY
8
8
TIME (ms)
TIME (μs)
V
2
INX
10
10
(V)
-20°C
12
12
3
14
14
+25°C
DS2775/6/7/8 toc01
DS2775/6/7/8 toc03
16
16
4
18
18
20
20
DC FET
GATE
DC FET
SOURCE
V
V
SENSE RESISTOR
WITH SHORT-CIRCUIT
THRESHOLD = 150mV
DC FET
GATE
DC FET
SOURCE
V
V
SENSE RESISTOR
WITH DISCHARGE-
OVERCURRENT
THRESHOLD = 38mV
GS
SNS
GS
SNS
DC FET
25mΩ
25mΩ
Typical Operating Characteristics
100mV/div
20mV/div
2V/div
2V/div
1V/div
2V/div
2V/div
1V/div
0V
0V
0V
0V
0V
0V
0V
0V
-2
8
7
6
5
4
3
2
0
CHARGE-PUMP STARTUP EXITING SLEEP
0
0
0
MODE (V
20
10 20 30
CC FET GATE TURN-OFF DURING
5
CHARGE-OVERCURRENT EVENT
SHORT-CIRCUIT PROTECTION
10
40
2.75V
15
60
DD
= 8V NO LOAD ON PK+)
20
80
40
TIME (μs)
TIME (ms)
TIME (μs)
DELAY
100
25
50 60
12.6V
120
30
140
35
70
DS2775/6/7/8 toc02
DS2775/6/7/8 toc06
DS2775/6/7/8 toc04
160
40
80
180
45
90
200
100
50
DC FET
GATE
DC FET
SOURCE
V
V
SENSE RESISTOR
WITH SHORT-CIRCUIT
THRESHOLD = 150mV
CC FET
GATE
CC FET
SOURCE
V
V
SENSE RESISTOR
WITH CHARGE-
OVERCURRENT
THRESHOLD = 25mV
GS
SNS
GS
SNS
DC FET
CC FET
25mΩ
25mΩ
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