MAX8934BETI+T Maxim Integrated Products, MAX8934BETI+T Datasheet - Page 2

• Manufacturer Part Number: MAX8934BETI+T
• Description: IC BATTERY CHARGER DUAL 28TQFN
• Manufacturer: Maxim Integrated Products
• Series: Smart Power Selector™r

Specifications of MAX8934BETI+T

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion), Lithium-Polymer (Li-Pol)
• Voltage - Supply: 4.1 V ~ 6.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Dual-Input Linear Chargers, Smart Power Selector
with Advanced Battery Temperature Monitoring
ABSOLUTE MAXIMUM RATINGS
DC, PEN1 to GND .................................................-0.3V to +16V
USB to GND ............................................................-0.3V to +9V
V
LDO to GND ......... -0.3V to the lower of +4V and (V
THMEN, THMSW to GND ..................... -0.3V to +(V
THM to GND .......................................-0.3V to (V
PSET, ISET, CT to GND ............................... -0.3V to (V
BATT, SYS, CEN, CHG, OT, DOK,
EP (Exposed Pad) to GND ...................................-0.3V to +0.3V
DC Continuous Current (total in two pins) .................... 2.4A
SYS Continuous Current (total in two pins) ................... 2.4A
USB Continuous Current (total in two pins) .................. 2.0A
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
UOK, FLT are unconnected, C
2
DC-to-SYS PREREGULATOR
DC Operating Voltage Range
DC Withstand Voltage
DC Undervoltage Threshold
DC Overvoltage Threshold
DC Operating Supply Current
DC Suspend Current
DC-to-SYS On-Resistance
DC to BATT Dropout Voltage
DC Current Limit
PSET Resistance Range
SYS Regulation Voltage
Input Current Soft-Start Time
Thermal-Limit Temperature
L
DC
UOK, FLT, DONE, USUS, PEN2 to GND .............-0.3V to +6V
to GND ...............................................................-0.3V to +4V
______________________________________________________________________________________
= V
PEN1
PARAMETER
= V
PEN2
= 5V, CEN = USUS = THMEN = GND, V
CT
= 0.068FF, T
V
When V
When V
I
I
V
I
When SYS regulation and charging stops, V
150mV hysteresis
V
T
(MAX8934A);
V
T
(MAX8934B–
MAX8934E)
V
to 1.75A, V
Connecting DC with USB not present
Connecting DC with USB present
Die temperature at when the charging current and input
current limits are reduced
SYS
SYS
SYS
A
A
BATT
DC
DC
DC
DC
= +25NC
= +25NC
= I
= I
= V
= 400mA, V
= 6V, V
= 5V, V
= 6V, I
= V
BATT
BATT
DOK
DOK
CEN
A
SYS
= -40NC to +85NC, unless otherwise noted. Typical values are at T
CEN
SYS
THMSW
SYS
SYS
goes low, V
goes high, V
= 0mA, V
= 0mA, V
= V
LDO
= 0V
SYS
= 1mA
= 5V
= 5V,
= 4V,
USUS
CEN
L
+ 0.3V)
+ 0.3V)
+ 0.3V)
+ 0.3V)
CONDITIONS
= 5V
RMS
RMS
RMS
CEN
CEN
= 5V, V
DC
DC
R
R
R
V
(500mA USB mode)
V
(100mA USB mode)
MAX8934A
MAX8934B–MAX8934E
= 0V
= 5V
PSET
PSET
PSET
PEN1
PEN1
rising, 500mV hysteresis
rising, 360mV hysteresis
BATT
PEN1
BATT Continuous Current (total in two pins) ................. 2.4A
LDO Continuous Current ............................................. 50mA
LDO Short-Circuit Duration .........................................
Continuous Power Dissipation (T
Operating Temperature Range .......................... -40NC to +85NC
Junction Temperature ...................................... -40NC to +125NC
Storage Temperature ....................................... -65NC to +150NC
Lead Temperature (soldering, 10s) ................................+300NC
Soldering Temperature (reflow) ......................................+260NC
= 1.5kI
= 3kI
= 6.3kI
= 0V, V
= V
Single-Layer Board
Multilayer Board
= 4V, V
= 0V
PEN2
(derate 20.8mW/NC above +70NC) ......................1666.7mW
(derate 28.6mW/NC above +70NC) ......................2285.7mW
PEN2
THM
= 0V
DC
= 5V
= 1.65V, USB, THMSW, CHG, DONE, OT, DOK,
falling,
1800
3.95
4.29
MIN
900
450
450
4.1
6.8
1.5
5.2
10
80
A
= +70NC)
2000
1000
TYP
4.35
195
475
475
100
4.0
6.9
0.8
0.2
5.3
1.5
50
95
50
1
A
= +25NC.) (Note 1)
MAX
2200
1100
4.05
0.35
340
500
500
100
6.6
7.0
1.5
6.3
5.4
4.4
14
90
2
Continuous
UNITS
mA
mV
mA
kI
ms
FA
NC
Fs
I
V
V
V
V
V
RMS
RMS