MAX1874ETE Maxim Integrated Products, MAX1874ETE Datasheet - Page 2

• Manufacturer Part Number: MAX1874ETE
• Description: Battery Management Dual-Input USB/AC Adapter 1-Cell Li+
• Manufacturer: Maxim Integrated Products

Specifications of MAX1874ETE

• Battery Type: Li-Ion, Li-Polymer
• Operating Supply Voltage: 4.35 V to 6.5 V
• Supply Current: 4 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Package / Case: TQFN-16
• Charge Safety Timers: No
• Mounting Style: SMD/SMT
• Temperature Monitoring: No

ABSOLUTE MAXIMUM RATINGS
DC, DCOK to GND .................................................-0.3V to +20V
DCLV, BYP, USB, UOK, DCI, REF, USEL, THRM,
PGND to GND .......................................................-0.3V to +0.3V
Continuous Current (DCLV) ..................................................1.1A
Continuous Current (USB) ....................................................0.6A
Dual-Input, USB/AC Adapter, 1-Cell
Li+ Charger with OVP and Thermal Regulation
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V
noted. Typical values are at T
2
INPUT VOLTAGE RANGES AND INPUT CURRENT
Maximum DC Input Voltage with
Overvoltage Protection
Maximum DC Input Voltage Without
Overvoltage Protection
Maximum Input Voltage for Charging
DC Supply Current
DCLV Operating Voltage Range
DCLV Shutdown Supply Current
USB Input Voltage Range
USB Supply Current
DCI Input Current
BYP Output Resistance
THRM Input Bias Current
BATTERY VOLTAGE
BATT Regulation Voltage
BATT Prequal Voltage Threshold
Prequal Threshold Hysteresis
USB Charging Headroom
DC Charging Headroom
REF Voltage (Buffered Output)
USB
EN, BATT, CHG, PON to GND .............................-0.3V to +7V
_______________________________________________________________________________________
= V
DC
= V
PARAMETER
DCLV
= V
EN
= V
A
= +25°C.)
USEL
= 5V, V
Q2 input MOSFET must be in place; charging
occurs only below 6.2V, Figures 3, 4, and 5
DC = DCLV, Q2 input MOSFET not on circuit,
Figure 2
V
V
V
V
V
V
(Note 1)
BATT rising
I
I
I
I
does not affect BATT regulation accuracy
USB
USB
DCIN
REF
EN
EN
EN
EN
EN
EN
BATT
= 0V
= 5V
= 0V
= 0V
= 5V, V
= 5V, V
= 0 to 500µA, 4V < V
= 100mA
= 500mA
= 800mA
= 4.2V, V
DC
DC
= 0V
= 5V
THRM
CONDITIONS
= V
DC
Continuous Power Dissipation (T
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Maximum Junction Temperature .....................................+150°C
Lead Temperature (soldering, 10s) .................................+300°C
REF
16-Pin 5mm
(derate 21.3mW/°C above +70°C) ...................................1.7W
or V
/ 2, Circuit of Figure 2, T
USB
< 6.5V;
✕
5mm Thin QFN
4.1685
MIN
4.35
4.35
2.94
A
6.0
2.8
= 0°C to +85°C, unless otherwise
A
= +70°C)
TYP
4.20
300
500
160
100
200
250
6.2
70
2
4
2
1
5
1
3
3
4.2315
MAX
6.00
6.50
3.06
500
750
300
100
100
6.5
6.5
3.2
18
4
6
3
UNITS
mA
mA
mV
mV
mV
µA
µA
µA
nA
nA
Ω
V
V
V
V
V
V
V
V