MAX1551EZK+T Maxim Integrated Products, MAX1551EZK+T Datasheet - Page 3

• Manufacturer Part Number: MAX1551EZK+T
• Description: IC BATT CHARGR LI+ 1CELL SOT23-5
• Manufacturer: Maxim Integrated Products

Specifications of MAX1551EZK+T

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion)
• Voltage - Supply: 3.7 V ~ 7 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-5 Thin, TSOT-23-5
• Product: Charge Management
• Operating Supply Voltage: 3 V to 7 V
• Supply Current: 1.75 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Charge Safety Timers: No
• Mounting Style: SMD/SMT
• Temperature Monitoring: Yes
• Uvlo Start Threshold: 3.75 V
• Uvlo Stop Threshold: 4.15 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS
(V
Note 1: The input undervoltage lockout has 430mV of hysteresis. The charger turns on when an input rises to 3.95V (typ), and turns
Note 2: Specifications to -40°C are guaranteed by design, not production tested.
DC
DC Voltage Range
DC to BAT Voltage Range
DC Undervoltage Lockout
Threshold
DC Supply Current
DC to BAT On-Resistance
DC to BAT Dropout Voltage
USB
USB Voltage Range
USB Undervoltage Lockout
Threshold
USB Supply Current
USB to BAT On-Resistance
USB to BAT Dropout Voltage
BAT
BAT Regulation Voltage
DC Charging Current
USB Charging Current
BAT Prequal Threshold
Prequalification Charging Current
BAT Leakage Current
POK, CHG
CHG Threshold
CHG, POK Logic-Low Output
CHG, POK Leakage Current
DC
= 5V, V
off when it falls below 3.52V.
SOT23 Dual-Input USB/AC Adapter 1-Cell Li+
PARAMETER
USB
= 0, I
_______________________________________________________________________________________
BAT
= 0, C
BAT
(Note 1)
Input rising, 430mV hysteresis, V
V
When charging stops, V
hysteresis
(Note 1)
Input rising, 430mV hysteresis, V
(Note 1)
V
V
When charging stops, V
hysteresis, V
V
V
V
V
V
V
Charge current where CHG goes high,
I
I
V
= 1µF, T
BAT
CHG
DC
USB
USB
DC
BAT
BAT
BAT
BAT
DC
CHG
= 3.7V, V
or V
= V
falling, 50mA hysteresis
, I
= 3.3V, V
= 3.3V, V
rising, 100mV hysteresis
= 2.8V
, V
= 5V, V
= 3.7V, V
POK
USB
POK
USB
A
= -40°C to +85°C, unless otherwise noted.) (Note 2)
= 10mA
DC
= 0, V
= 6V, T
DC
= 5V
BAT
USB
DC
BAT
= 0
= 0
= 3.6V
= 0, V
BAT
= 3.6V, V
= 0, V
A
CONDITIONS
= +25°C
= 4.2V
BAT
BAT
USB
DC
= 4V, DC falling, 200mV
= 4V, USB falling, 200mV
DC
= 5V
= 5V
= 0
BAT
DC
= 0, V
= 3V (Note 1)
BAT
= 3V
Battery Chargers
4.141
3.75
3.75
MIN
220
3.7
0.1
3.7
2.9
30
30
80
20
25
4.259
MAX
4.15
4.15
340
100
100
300
7.0
6.0
6.0
3.1
95
95
80
3
2
3
4
5
1
UNITS
mA
mV
mA
mV
mA
mA
mA
mA
mV
µA
µA
Ω
Ω
V
V
V
V
V
V
V
3