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MAX1614EUV

Description
High-Side, n-Channel MOSFET Switch Driver Internal On/Off Latch
File Size286KB,9 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX1614EUV Overview

High-Side, n-Channel MOSFET Switch Driver Internal On/Off Latch

19-1176; Rev 1; 6/11
High-Side, n-Channel MOSFET
Switch Driver
_______________General Description
The MAX1614 drives high-side, n-channel power MOSFETs
to provide battery power-switching functions in portable
equipment. The n-channel power MOSFETs typically have
one-third the on-resistance of p-channel MOSFETs of simi-
lar size and cost. An internal micropower regulator and
charge pump generate the high-side drive output voltage,
while requiring no external components.
The MAX1614 also features a 1.5%-accurate low-battery
comparator that can be used to indicate a low-battery
condition, provide an early power-fail warning to the sys-
tem microprocessor, or disconnect the battery from the
load, preventing deep discharge and battery damage. An
internal latch allows for pushbutton on/off control with very
low current consumption. Off-mode current consumption
is only 6µA while normal operation requires less than
25µA. The MAX1614 is available in the space-saving
µMAX
®
package that occupies about 60% less space
than a standard 8-pin SO.
____________________________Features
o
Internal On/Off Latch
o
High-Side, n-Channel Power MOSFET Drive
o
25µA (max) Quiescent Current
o
6µA (max) Off Current
o
Requires No External Components
o
1.5%-Accurate Low-Battery Detector
o
Space-Saving
µMAX
Package
o
5V to 26V Input Voltage Range
o
Drives Single or Back-to-Back MOSFETs
o
Controlled Turn-On for Low Inrush Current
MAX1614
______________Ordering Information
PART
MAX1614C/D
MAX1614EUA+
MAX1614EUA/V+
TEMP RANGE
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
Dice*
8 µMAX
8 µMAX
________________________Applications
Notebook Computers
Portable Equipment
Hand-Held Instruments
Battery Packs
µMAX is a registered trademark of Maxim Integrated Products, Inc.
*Contact
factory for dice specifications.
+Denotes
a lead(Pb)-free/RoHS-compliant package.
/V denotes an automotive qualified part.
Devices are also available in a tape-and-reel package.
Specify tape-and-reel by adding “T” to the part number when
ordering.
__________Typical Operating Circuit
N
N
LOAD
OPTIONAL FOR
REVERSE CURRENT
PROTECTION
GATE
SRC
ON
BATT
R1
LBI
R2
GND
LBO
__________________Pin Configuration
TOP VIEW
ON 1
OFF 2
LBO 3
LBI 4
+
8
BATT
SRC
GATE
GND
MAX1614
7
6
5
MAX1614
OFF
µMAX
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.

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