MAX1870AETJ+ Maxim Integrated Products, MAX1870AETJ+ Datasheet - Page 6

• Manufacturer Part Number: MAX1870AETJ+
• Description: Battery Management Li+ Step Up/Step Down Battery Charger
• Manufacturer: Maxim Integrated Products

Specifications of MAX1870AETJ+

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS
(Circuit of Figure 2, V
0.75 x V
Step-Up/Step-Down
Li+ Battery Charger
6
CHARGE-VOLTAGE REGULATION
VCTL Range
Battery Regulation Voltage
Accuracy
VCTL Default Threshold
CHARGE-CURRENT REGULATION
ICTL Range
Quick-Charge-Current Accuracy
BATT/CSIP/CSIN Input Voltage
Range
CSIP Input Current
ICTL Power-Down-Mode
Threshold Voltage
INPUT-CURRENT REGULATION
Charger-Input Current-Limit
Accuracy (V
System-Input Current-Limit
Accuracy (V
CSSP/CSSS/CSSN Input Voltage
Range
CSSP Input Current
CLS Input Range
IINP Transconductance
IINP Output Current
IINP Output Voltage
_______________________________________________________________________________________
REFIN
PARAMETER
CSSP
CSSP
, VCTL = LDO, CELLS = FLOAT, GND = PGND = 0, V
- V
- V
CSSN
CSSS
DCIN
)
)
= V
CSSP
= V
V
V
V
V
V
V
V
V
V
VCTL rising
V
V
V
ICTL = REFIN
CSSS = CSSP
CSSN = CSSP
V
V
V
V
V
V
VCTL
VCTL
VCTL
VCTL
VCTL
VCTL
VCTL
VCTL
VCTL
ICTL
ICTL
ICTL
CSSP
CSSP
CSSP
CSSP
CSSP
CSSP
CSSN
= V
= V
= V
= V
= V
= V
= V
= V
= V
= V
= V
= V
= V
- V
- V
- V
- V
- V
= V
REFIN
REFIN
REFIN
CSSS
CSSN
CSSS
CSSN
CSSS
LDO
LDO
LDO
REFIN
REFIN
REFIN
REFIN
REFIN
REFIN
CSSN
CSSS
(2 cells)
(3 cells)
(4 cells)
= 102mV, CSSN = CSSP
= 200mV, V
= 200mV, IINP float
= 200mV, V
= 200mV, IINP float
x 0.8
x 0.583
= V
(2 cells)
(3 cells)
(4 cells)
/ 20 (2 cells)
/ 20 (3 cells)
/ 20 (4 cells)
= V
CSSS
VHP
CONDITIONS
= V
= 18V, V
IINP
IINP
DCIN
CLS = REF
CLS = REF x 0.845
CLS = REF
CLS = REF x 0.845
DLOV
= 0V
= 0V
= 8V, 28V
BATT
= 5.4V, T
= V
CSIP
A
= -40°C to +85°C.) (Note 1)
= V
CSIN
= V
REFIN /
V
BLKP
MIN
-0.8
-0.8
-0.8
-1.2
-1.2
-1.2
-1.4
-1.4
-1.4
350
350
100
4.0
2.5
3.5
3.5
REF
66
53
38
95
79
95
79
0
0
0
8
/ 2
= 12V, V
TYP
REFIN
REFIN /
MAX
1200
V
+0.8
+0.8
+0.8
+1.2
+1.2
+1.2
+1.4
+1.4
+1.4
600
115
115
3.6
4.2
3.6
3.1
80
65
48
19
97
97
28
32
REF
= 3.0V, V
UNITS
µA/mV
mV
mV
mV
ICTL
µA
µA
µA
%
V
V
V
V
V
V
V
V
=