Product Details
Key Features
Applications/Uses
Charging VIN (V) (max) | 6.5 |
Max. ICHG (A) | 0.5 |
Cell Chemistry | Li-Ion Li-Polymer |
# Lithium Ion Cells | 1 |
Protected VIN (V) (max) | 6.5 |
Charger (V) | 4.1 4.2 |
Oper. Temp. (°C) | -40 to +85 |
Package/Pins | SOIC (N)/8 |
Budgetary Price (See Notes) | 2.04 |
Simplified Block Diagram
Technical Docs
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .
Sampling:
Selecting the Sample button above will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact [email protected] with any questions regarding this Sample Site.
Parameters
Charging VIN (V) (max) | 6.5 |
Max. ICHG (A) | 0.5 |
Cell Chemistry | Li-Ion Li-Polymer |
# Lithium Ion Cells | 1 |
Protected VIN (V) (max) | 6.5 |
Charger (V) | 4.1 4.2 |
Oper. Temp. (°C) | -40 to +85 |
Package/Pins | SOIC (N)/8 |
Budgetary Price (See Notes) | 2.04 |
Key Features
- Charges Single-Cell Li+ Batteries Directly from USB Port
- 0.5% Overall Charging Accuracy
- Minimal External Components
- Input Diode Not Required
- Automatic IC Thermal Regulation
- Preconditions Near-Depleted Cells
- Convenient Power SO-8 Package (1.4W)
Applications/Uses
- Cell Phones
- Digital Still Cameras
- Handheld Computers
- MP3 Players
- PDAs and Palmtops
- Two-Way Paging
Description
The charger uses an internal FET to deliver up to 500mA charging current to the battery. The device can be configured for either a 4.1V or 4.2V battery, using the SELV input. The SELI input sets the charge current to either 100mA or 500mA. An open-drain output (active-low CHG) indicates charge status.
The MAX1811 has preconditioning that soft-starts a near-dead battery cell before charging. Other safety features include continuous monitoring of voltage and current and initial checking for fault conditions before charging.
The MAX1811 is available in a small 1.4W thermally enhanced 8-pin SO package.
Technical Docs
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .
Sampling:
Selecting the Sample button above will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact [email protected] with any questions regarding this Sample Site.