MAX846AEEE Maxim Integrated Products, MAX846AEEE Datasheet - Page 4

• Manufacturer Part Number: MAX846AEEE
• Description: Battery Management Multichemistry Bat Charger System
• Manufacturer: Maxim Integrated Products

Specifications of MAX846AEEE

• Battery Type: Li-Ion, Li-Polymer, NiCd, NiMH
• Output Voltage: 3.3 V
• Operating Supply Voltage: 3.7 V to 20 V
• Supply Current: 5 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Package / Case: QSOP-16
• Mounting Style: SMD/SMT

Cost-Saving Multichemistry
Battery-Charger System
ELECTRICAL CHARACTERISTICS (Note 1)
(V
otherwise noted.)
Note 1: Specifications to -40°C are guaranteed by design and not production tested.
4
VL REGULATOR
REFERENCE
CURRENT-SENSE AMPLIFIER
VOLTAGE LOOP
CURRENT LOOP
DRIVER
DCIN Supply Current
Output Voltage
PWROK Trip Level
VL Undervoltage-Lockout Level
Output Voltage
Output Resistance
Transconductance
Output Offset Current
CS+, CS- Off Input Current
Voltage-Loop Set Point
BATT Off Input Current
Current-Loop Set Point
Overcurrent Trip Level
DRV Sink Current
DRV Off Current
DCIN
_______________________________________________________________________________________
= 10V, ON = VL, I
PARAMETER
VL
= I
VSET
= 0mA, V
CS
V
0mA < I
Rising VL edge, 2% hysteresis
Measured at VSET, I
V
V
V
V
V
V
V
V
I
When V
is disabled.
V
V
- = V
DRV
DCIN
ISET
CS+
ON
VSET
DRV
VSET
DRV
BATT
DRV
DRV
= 0V, V
= 5mA, V
CS+
= 10V
= 10V
= 4V
= 3V
= 20V
= 1.7V, V
= 1.650V, V
= 1.650V, V
= 20V, I
= 10V, ON = GND, CELL2 = GND or VL
ISET
VL
= 10V, V
< 20mA, 3.7V < V
,
CS+
exceeds this voltage, DRV current
ON = GND
DRV
DRV
CS+
CONDITIONS
= V
CELL2
CELL2
BATT
= I
= 10V
- V
CS-
VSET
VL
CS-
= 0V, I
= VL, I
= 4.5V, V
= 10V
= 0mA
= 0mA, V
= 165mV
DCIN
DRV
DRV
MAX846A
OFFV
= 1mA,
= 1mA,
< 20V
ON
= V
= 0V
CELL2
= 0V, T
3.259
-0.7%
-0.35%
-0.35%
1.625
0.93
1.86
MIN
-2%
2.9
2.5
20
A
= -40°C to +85°C, unless
1.650
TYP
4.2
8.4
20
+0.35%
+0.35%
+0.7%
3.341
1.675
MAX
+2%
1.07
2.14
100
3.1
3.0
10
5
5
1
UNITS
mA/V
mA
mA
k
V
V
V
V
V
V
V
A
A
A
A