MAX8765ETI Maxim Integrated, MAX8765ETI Datasheet - Page 7

• Manufacturer Part Number: MAX8765ETI
• Description: Battery Management
• Manufacturer: Maxim Integrated
• Series: MAX1908, MAX8724, MAX8765, MAX8765Ar

Maxim Integrated
ELECTRICAL CHARACTERISTICS
(V
REF, V
per Figure 1a; T
CHARGE-VOLTAGE REGULATION
Battery Regulation Voltage
Accuracy (2, 3, or 4 Cells)
REFIN Range
REFIN Undervoltage Lockout
CHARGE CURRENT REGULATION
CSIP-to-CSIN Full-Scale Current-
Sense Voltage
Charging-Current Accuracy
Charge-Current Gain Error
(MAX8765/MAX8765A Only)
Charge-Current Offset
(MAX8765/MAX8765A Only)
BATT/CSIP/CSIN Input Voltage
Range
CSIP/CSIN Input Current
Cycle-by-Cycle Maximum Current
Limit
ICTL Power-Down Mode
Threshold Voltage
(MAX1908/MAX8724 Only)
ICHG Transconductance
(MAX1908/MAX8724 Only)
ICHG Transconductance
(MAX8765/MAX8765A Only)
ICHG Transconductance Error
(MAX8765/MAX8765A Only)
ICHG Transconductance Offset
(MAX8765/MAX8765A Only)
DCIN
BST
= V
PARAMETER
CSSP
- V
LX
MAX1908/MAX8724/MAX8765/MAX8765A
Low-Cost Multichemistry Battery Chargers
A
= V
= 4.5V, ACIN = GND = PGND = 0, C
= -40°C to +85°C, unless otherwise noted.) (Note 2)
CSSN
= 18V, V
BATT
SYMBOL
G
G
I
MAX
= V
ICHG
ICHG
CSIP
V
V
V
(Note 1)
V
V
V
V
V
MAX8765/MAX8765A only; V
0.036
MAX8724 only;
V
V
Charging
RS2 = 0.015Ω
V
V
V
= V
VCTL
VCTL
VCTL
REFIN
ICTL
ICTL
ICTL
ICTL
ICTL
DCIN
ICTL
CSIP
CSIP
CSIN
LDO
= V
= V
= V
= V
= V
rising
- V
- V
= V
= V
= V
= 0V or V
falling
= 12V, V
CSIN
CSIN
REFIN
REFIN
REFIN
LDO
REFIN
REFIN
REFIN
LDO
= 1µF, LDO = DLOV, C
= 45mV
= 45mV
/20
x 0.6
x 0.058
CONDITIONS
ICTL
REFIN
= 0V or V
= 3V, V
ICTL
SHDN
VCTL
= V
REF
= 0V
= V
REFIN
= 1µF; CCI, CCS, and CCV are compensated
ICTL
x
= 0.75 x V
REFIN/
2.785
MIN
70.5
-0.6
-0.6
-0.6
-7.5
-7.5
-7.5
-6.5
-50
-33
100
2.5
6.0
2.7
-6
-2
-2
0
REFIN
TYP
, CELLS = open, CLS =
REFIN/
3.225
MAX
+0.6
+0.6
+0.6
+7.5
+7.5
+7.5
+6.5
1.92
79.5
+50
+33
650
3.6
7.5
3.3
+6
+2
+2
19
33
1
UNITS
µA/mV
µA/mV
mV
mV
µA
µA
%
%
%
%
V
V
V
A
V
7