MAX1757EAI+ Maxim Integrated Products, MAX1757EAI+ Datasheet - Page 5

• Manufacturer Part Number: MAX1757EAI+
• Description: IC BATTERY CHRG LI+ 28-SSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX1757EAI+

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion)
• Voltage - Supply: 6 V ~ 14 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Product: Charge Management
• Operating Supply Voltage: 6 V to 14 V
• Supply Current: 5 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Charge Safety Timers: Yes
• Mounting Style: SMD/SMT
• Temperature Monitoring: Yes
• Uvlo Start Threshold: 2.4 V
• Uvlo Stop Threshold: 2.6 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
V
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V
V
SUPPLY AND REFERENCE
SWITCHING REGULATOR
ACCURACY AND ERROR AMPLIFIERS
STATE MACHINE
CONTROL INPUTS/OUTPUTS
DCIN Input Voltage Range
VL Output Voltage
REF Output Voltage
REF Line Regulation
PWM Oscillator Frequency
HSD to LX On-Resistance
LX to PGND On-Resistance
CS to BATT Hard Current Limit
BATT, CS Input Voltage Range
Absolute Voltage Accuracy
BATT Regulation Voltage
BATT Full-Scale Charge Current
BATT 1/10-Scale Charge
Current (Note 1)
BATT Charge Current in
Prequalification State
CSSP to CSSN Full-Scale
Current-Sense Voltage
CSSP to CSSN 1/10-Scale
Current-Sense Voltage
THM Trip Threshold Voltage
THM Low-Temp Current
BATT Undervoltage Threshold
(Note 3)
BATT Overvoltage Threshold
(Note 4)
ISETIN
FASTCHG, FULLCHG, FAULT
Output Low Voltage
FASTCHG, FULLCHG, FAULT
Output High Leakage
ISETIN
Li+ Battery Charger with Internal 14V Switch
= V
= V
PARAMETER
PARAMETER
ISETOUT
ISETOUT
= V
= V
_______________________________________________________________________________________
DCIN
DCIN
REF
REF
, R
, R
= V
= V
THM
THM
HSD
HSD
= 10kΩ, T
= 10kΩ, T
SYMBOL
SYMBOL
= V
= V
I
f
V
TLTC
V
OSC
TRT
OL
CSSP
CSSP
A
A
= V
= V
= 0°C to +85°C, unless otherwise noted. Typical values are at T
= -40°C to +85°C, unless otherwise noted.) (Note 7)
6V < V
6V < V
Nondropout f
V
Instantaneous peak current limit
Not including VADJ resistor tolerances
With 1% VADJ resistors
CELL = float, GND, or REF
V
V
V
THM low-temp or high-temp current
V
I
V
V
SINK
BST
ISETOUT
BATT
ISETIN
THM
FASTCHG
SHDN
CSSN
CSSN
= V
= 5mA
= 1.4V
DCIN
DCIN
< 2.4V per cell
= GND
= V
= 12V, V
= 12V, V
LX
= V
, V
REF
+ 4.5V
< 14V
< 14V
Stand-Alone, Switch-Mode
OSC
REF
FULLCHG
/ 10
CONDITIONS
CONDITIONS
/ 10
SHDN
SHDN
, V
= V
= V
FAULT
VL
VL
, V
, V
= 28V,
CELL
CELL
= GND, V
= GND, V
BATT
BATT
4.166
4.158
1.386
46.2
4.55
MIN
-0.8
MIN
260
100
100
5.1
2.2
1.3
2.4
85
-1
6
0
5
= V
= V
CS
CS
TYP
TYP
= 4.2V, V
= 4.2V, V
A
= +25°C.)
4.242
4.242
1.414
MAX
MAX
51.5
340
250
200
200
115
5.7
3.2
0.8
1.7
2.6
4.8
0.5
14
14
15
VADJ
VADJ
6
2
1
1
= V
= V
UNITS
UNITS
V/cell
V/cell
V/cell
kHz
mΩ
mV
mA
mA
mV
mV
µA
µA
%
REF
REF
Ω
A
A
V
V
V
V
V
V
/2,
/2,
5