MAX1925ETC+ Maxim Integrated Products, MAX1925ETC+ Datasheet - Page 5

• Manufacturer Part Number: MAX1925ETC+
• Description: IC CHARGER LI+ 12-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX1925ETC+

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion)
• Voltage - Supply: 4.5 V ~ 12 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 12-TQFN Exposed Pad
• Product: Charge Management
• Operating Supply Voltage: 4.25 V to 12 V
• Supply Current: 39 uA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Charge Safety Timers: Yes
• Mounting Style: SMD/SMT
• Temperature Monitoring: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
unless otherwise noted. Typical values are at T
Note 1: When the AC adapter is unplugged or if the charger is shut down, BATT drain is less than 10µA.
Note 2: These specifications guarantee the thermistor interface detects a fault at the correct temperature (0°C to +5°C cold temper-
Note 3: A fault is generated if V
Note 4: Specifications to -40°C are guaranteed by design and not production tested.
CHG Output High Leakage
Current
ACON High Leakage
ACON Sink Current
THERMISTOR MONITOR
THRM Sense Current for Hot
Qualification
THRM Sense Current for Cold
Qualification
THRM Sense-Voltage Trip Point
PGND
= V
ature and 45°C to +50°C hot temperature) with Philips NTC Thermistor Series 640-6, 2322-640-63103, 10.0K at +25°C, ±5%
(or equivalent).
occur on alternate CT clock transitions.
PARAMETER
GND
= 0, V
_______________________________________________________________________________________
INP
= V
IN
THRM
= V
CHG
V
V
V
(Note 3)
lower than 1.4V during the cold test or higher than 1.4V during the hot test. Hot and cold tests
CHG
ACON
ACON
= 5V, V
Switch-Mode 1-Cell Li+ Chargers
= 12V
= 12V
= 0.4V
A
BATT
= +25°C.) (Note 4)
= V
CS
CONDITIONS
= V
EN
= 4V, THRM = 10kΩ to GND, C
1.379
47.3
MIN
342
CT
2
= 100nF, T
TYP
A
= -40°C to +85°C,
1.421
MAX
50.3
363
1
1
UNITS
mA
µA
µA
µA
µA
V
5