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Battery Switch with Four Enables

Simplifies Li-Ion Battery Disconnect, Accommodates Up to Four Unique Control Inputs

Product Details

Key Features

Parametric specs for Current Limit and USB Power Switches
Current Limit (mA) (min) 5000
Current Limit (mA) (max) 5000
# Power Switches 1
Fault Indicator No
Current Limit Accuracy (%) 10
Current Limit Set By Preset
RON (Ω) (typ) 0.035
VSUPPLY (V) (min) 2.2
VSUPPLY (V) (max) 5.5
Oper. Temp. (°C) -40 to +85
Package/Pins TDFN/8
Budgetary
Price (See Notes)
1.97
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Simplified Block Diagram

Technical Docs

Data Sheet Battery Switch with Four Enables Nov 20, 2008

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Parameters

Parametric specs for Current Limit and USB Power Switches
Current Limit (mA) (min) 5000
Current Limit (mA) (max) 5000
# Power Switches 1
Fault Indicator No
Current Limit Accuracy (%) 10
Current Limit Set By Preset
RON (Ω) (typ) 0.035
VSUPPLY (V) (min) 2.2
VSUPPLY (V) (max) 5.5
Oper. Temp. (°C) -40 to +85
Package/Pins TDFN/8
Budgetary
Price (See Notes)
1.97

Key Features

  • Low 35mΩ (typ) RON Load Switch
  • Ultra Low, 0.8µA (typ) Supply Current
  • Four Enable Inputs:
    • TA: +28V (max) Capable
    • ON_K: Accurate +3V Trigger Enable
    • JIG: Factory Mode Enable
    • S_EN: Logically ANDed with IN
  • Space-Saving 8-Pin, 2mm x 2mm TDFN Package
  • Controlled Turn-On to Limit dI/dt Pulses Due to Lead Inductance

Applications/Uses

  • Cell Phones
  • Digital Cameras
  • GPS
  • PDAs
  • UMPC Computers

Description

The MAX14525 features a low RON 35mΩ (typ) load 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.

Simplified Block Diagram

MAX14525: Typical Application Circuit MAX14525: Typical Application Circuit Zoom icon

Technical Docs

Data Sheet Battery Switch with Four Enables Nov 20, 2008

Support & Training

Search our knowledge base for answers to your technical questions.

Filtered Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .