MAX745C/D View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX745C/D Datasheet PDF : 8 Pages
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Switch-Mode Lithium-Ion
Battery Charger
ELECTRICAL CHARACTERISTICS (continued)
(VDCIN = 18V, VBATT = 8.4V, TA = 0°C to +85°C. Typical values are at TA = +25°C, unless otherwise noted.)
PARAMETER
ERROR AMPLIFIERS
GMV Amplifier Transconductance
GMI Amplifier Transconductance
GMV Amplifier Output Current
GMI Amplifier Output Current
CCI Clamp Voltage with Respect to CCV
CCV Clamp Voltage with Respect to CCI
CONTROL INPUTS/OUTPUTS
CELL0, CELL1 Input Bias Current
SETI Input Voltage Range (Note 1)
VADJ Adjustment Range
SETI, VADJ Input Bias Current
VADJ Input Voltage Range
THM/SHDN Rising Threshold
THM/SHDN Falling Threshold
STATUS Output Low Voltage
CONDITIONS
1.1V < VCCV < 3.5V
1.1V < VCCI < 3.5V
Charger in current-regulation mode,
STATUS sinking 1mA
MIN TYP
800
200
±130
±320
25
80
25
80
-1
0
10
-10
0
2.20 2.3
2.01 2.1
STATUS Output Leakage Current
IBAT Output Current vs.
Current-Sense Voltage
IBAT Compliance Voltage Range
Charger in voltage-regulation mode,
VSTATUS = 5V
VIBAT = 2V
0.9
0
MAX UNITS
µA/V
µA/V
µA
µA
200
mV
200
mV
1
µA
VREF
V
%
10
nA
VREF
V
2.34
V
2.19
V
0.2
V
1
µA
µA/mV
2
V
ELECTRICAL CHARACTERISTICS
(VDCIN = 18V, VBATT = 8.4V, TA = -40°C to +85°C, unless otherwise noted. Limits over temperature are guaranteed by design.)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
SUPPLY AND REFERENCE
VL Output Voltage
REF Output Voltage
SWITCHING REGULATOR (Note 1)
Oscillator Frequency
DHI On-Resistance
DLO On-Resistance
6.0V < VDCIN < 24V, no load
6.0V < VDCIN < 24V
Output high or low
Output high or low
5.10
5.70
V
4.14
4.26
V
260
340
kHz
7
Ω
14
Ω
CS to BATT Full-Scale
Current-Sense Voltage
Absolute Voltage Accuracy
Not including VADJ resistors
Note 1: When VSETI = 0V, the battery charger turns off.
165
205
mV
-1.0
1.0
%
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