DS2784 Maxim Integrated Products, DS2784 Datasheet - Page 3

• Manufacturer Part Number: DS2784
• Description: 1-Cell Stand-Alone Fuel Gauge IC
• Manufacturer: Maxim Integrated Products

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ELECTRICAL CHARACTERISTICS: Protection Circuit
(V
DQ, PIO Voltage Range
DQ, PIO Input-Logic High
DQ, PIO Input-Logic Low
DQ, PIO Output-Logic Low
DQ, PIO Pullup Current
DQ, PIO Pulldown Current
DQ Input Capacitance
DQ Sleep Timeout
PIO, DQ Wake Debounce
SHA-1 COMPUTATION TIMING
Computation Time
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
Test Threshold
Test Current
PLS Pulldown Current
Recovery Current
DD
= 2.5V to 4.6V, T
PARAMETER
PARAMETER
A
= 0°C to +50°C, unless otherwise noted. Typical values are at T
DS2784: 1-Cell Stand-Alone Fuel Gauge IC with Li+ Protector and SHA-1 Authentication
SYMBOL
SYMBOL
t
SLEEP
t
V
V
C
t
V
V
WDB
t
t
t
t
V
I
I
V
V
V
V
V
I
I
SHA
OCD
I
OVD
UVD
SCD
PPD
PU
PD
TST
COC
DOC
OL
DQ
RC
IH
IL
OV
CE
UV
SC
TP
IOL = 4mA
Sleep mode,
V
Active mode,
V
DQ < V
Sleep mode
V
V
Relative to V
OC = 11b
OC = 00b
OC = 11b
OC = 00b
SC = 1b
SC = 0b
(Note 6)
(Notes 6, 7)
COC, DOC conditions
SC, COC, DOC condition
Sleep mode
VUV condition,
max: V
V
min: V
V
PIN
PIN
OV
OV
DD
DD
= 00011b
= V
= 0.4V
= 11000b
= 1V
= 2V
3 of 37
CONDITIONS
CONDITIONS
PLS
PLS
IL
DD
= 4.2V,
- 0.4V
= 15V,
OV
4.457
4.252
-15.5
MIN
23.5
MIN
2.40
-0.3
240
120
550
100
-75
-57
0.5
2.5
1.5
76
84
80
10
8
2
TYP
4.482
4.277
A
-23.5
100
-100
TYP
2.45
35.5
0.2
0.2
300
150
120
200
50
-72
1.0
5.0
= +25°C.)
96
10
20
MAX
4.507
4.302
10.00
+5.5
-31.5
MAX
-125
2.50
47.5
0.6
0.4
116
360
180
990
680
160
600
-87
1.5
30
12
40
9
UNITS
UNITS
mV
mV
mV
mV
mV
mA
ms
μA
μA
ms
ms
ms
ms
μA
μA
pF
μs
V
V
V
V
V
V
V
s