MAX1614 Maxim, MAX1614 Datasheet
MAX1614
Manufacturer Part Number
MAX1614
Description
High-Side / N-Channel MOSFET Switch Driver
Manufacturer
Maxim
Datasheet
1.MAX1614.pdf
(8 pages)
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The MAX1614 drives high-side, N-channel power MOSFETs
to provide battery power-switching functions in portable
equipment. 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.
________________________Applications
19-1176; Rev 0; 12/96
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
__________Typical Operating Circuit
_______________General Description
Notebook Computers
Portable Equipment
Hand-Held Instruments
Battery Packs
R1
R2
BATT
LBI
________________________________________________________________ Maxim Integrated Products
GATE
N
MAX1614
GND
SRC
LBO
OFF
ON
N
OPTIONAL FOR
REVERSE CURRENT
PROTECTION
High-Side, N-Channel MOSFET
LOAD
* Contact factory for dice specifications.
____________________________Features
______________Ordering Information
MAX1614C/D
MAX1614EUA
__________________Pin Configuration
Internal On/Off Latch
High-Side, N-Channel Power MOSFET Drive
25µA (max) Quiescent Current
6µA (max) Off Current
Requires No External Components
1.5%-Accurate Low-Battery Detector
Space-Saving µMAX Package
5V to 26V Input Voltage Range
Drives Single or Back-to-Back MOSFETs
Controlled Turn-On for Low Inrush Current
TOP VIEW
PART
OFF
LBO
ON
LBI
TEMP. RANGE
-40°C to +85°C
1
2
3
4
0°C to +70°C
Switch Driver
MAX1614
MAX
7
6
5
8
Dice*
8 µMAX
BATT
SRC
GATE
PIN-PACKAGE
GND
1
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