MAX14525ETA+T Maxim Integrated Products, MAX14525ETA+T Datasheet

IC BATTERY SWITCH 4INPUTS 8TDFN

MAX14525ETA+T

Manufacturer Part Number
MAX14525ETA+T
Description
IC BATTERY SWITCH 4INPUTS 8TDFN
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX14525ETAT.pdf (7 pages)

Specifications of MAX14525ETA+T

Function
Power Management
Battery Type
Lithium-Ion (Li-Ion)
Voltage - Supply
2.2 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-TDFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The MAX14525 features a low R
switch with four unique enable inputs. The MAX14525
is ideal for disconnecting the lithium-ion (Li+) battery
from the loads in portable devices such as cell phones.
The MAX14525 operates from a +2.2V to +5.5V supply
voltage.
The MAX14525 features an extremely low 0.8µA (typ)
quiescent supply current to maximize battery life in
portable devices. It is enabled from four possible
inputs: external charger connection capable of high
voltage up to +28V, travel adapter (TA), on key (ON_K),
factory mode enable (JIG), and switch enable (S_EN).
The S_EN input is internally ANDed with the switched
battery connection (IN).
The MAX14525 is available in a small 8-pin, 2mm x
2mm TDFN package and operates over the -40°C to
+85°C extended temperature range.
19-4356; Rev 0; 10/08
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.
BATTERY
Li-ION
Cell Phones
PDAs
GPS
UMPC Computers
Digital Cameras
P
BUTTON
ON
BAT
ON_K
TA
JIG
S_EN
Typical Application Circuit
2V
________________________________________________________________ Maxim Integrated Products
3.0V
Battery Switch with Four Enable Inputs
MAX14525
GND
General Description
SLEW RATE
CONTROL
IN
ON
Applications
35mΩ (typ) load
CHARGER
PHONE
LOADS
ADAPTER
AC
♦ Low 35mΩ (typ) R
♦ Ultra Low, 0.8µA (typ) Supply Current
♦ Four Enable Inputs:
♦ Space-Saving 8-Pin, 2mm x 2mm TDFN Package
♦ Controlled Turn-On to Limit dI/dt Pulses Due to
Note: The device is specified over the -40°C to +85°C operating
temperature range.
+ Denotes a lead-free/RoHS-compliant package.
* EP = Exposed pad.
M AX 14525E TA+ T
Lead Inductance
TA: +28V (max) Capable
ON_K: Accurate +3V Trigger Enable
JIG: Factory Mode Enable
S_EN: Logically ANDed with IN
PART
TOP VIEW
*CONNECT EXPOSED PAD TO GND.
ON_K
S_EN
BAT
JIG
1
2
3
4
PIN-PACKAGE
ON
Ordering Information
2mm x 2mm
+
8 TDFN-EP*
TDFN-EP
MAX14525
Load Switch
Pin Configuration
*EP
8
7
6
5
IN
IN
TA
GND
Features
TOP MARK
ACQ
1

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MAX14525ETA+T Summary of contents

Page 1

... CONTROL 2V JIG P S_EN GND ________________________________________________________________ Maxim Integrated Products 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. 35mΩ (typ) load ♦ Low 35mΩ (typ) R ♦ Ultra Low, 0.8µA (typ) Supply Current ♦ ...

Page 2

Battery Switch with Four Enable Inputs ABSOLUTE MAXIMUM RATINGS (All voltages referenced to GND.) IN, BAT, JIG, S_EN, ON_K ................................... -0.3V to +6.0V TA ...........................................................................-0.3V to +28V Continuous Power Dissipation (T = +70°C) A 8-Pin TDFN (derate 11.9 mW/°C above ...

Page 3

Battery Switch with Four Enable Inputs ELECTRICAL CHARACTERISTICS (continued +2.2V to +5.5V -40°C to +85°C, unless otherwise noted. Typical values are at V BAT A (Note 2) PARAMETER SYMBOL ON_K Input Leakage Current I SWITCH DYNAMICS ...

Page 4

Battery Switch with Four Enable Inputs (V = +3.6V +25°C, unless otherwise noted BAT CURRENT vs. VOLTAGE 3 -40° +25°C A 2.1 1 +85°C A 0.7 0 2.2 ...

Page 5

Battery Switch with Four Enable Inputs ON_K INPUT Figure 1. ON_K Input Operation Diagram V IN 90% V BAT 10% V BAT V JIG V ON_K S_EN t t ONDLY ONRISE Figure 2. Turn-On Delay Time, Turn-On ...

Page 6

Battery Switch with Four Enable Inputs PIN NAME 1 BAT Lithium-Ion (Li+) Battery Connection 2 JIG Enable Input with Standard Logic Threshold 3 ON_K Enable Input with Accurate Threshold (+3.0V) 4 S_EN Enable Input with Standard Logic Threshold Logically ANDed ...

Page 7

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 _____________________ 7 © 2008 Maxim Integrated Products ...

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