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PDF ET9501 Data sheet ( Hoja de datos )
| Número de pieza | ET9501 | |
| Descripción | Single Lithium-Ion or Lithium-Polymer cell linear battery charger | |
| Fabricantes | Etek Microelectronics | |
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General Description
The ET9501 is a single LithiumIon or LithiumPolymer cell linear battery charger which is designed for compact and cost
sensitive handheld devices. It combines charge status indication, charge termination, battery temperature monitoring, and
high accuracy current and voltage regulation in a MSOP8 package.
The ET9501 charges the battery in three modes, precharge, constant current, constant voltage. If the battery voltage is
below the precharge threshold VO (MIN), the ET9501 precharges the battery with a lower conditioning current. After
precharge, the ET9501 applies a constant current to the battery. An external senseresister sets the charge current. The
constant voltage mode continues until the battery reaches the regulation voltage.
The battery temperature is continuously measured by an external thermistor through the TS pin. The ET9501 inhibits
charge until the temperature is within the range defined by users.
Features
For Single LithiumIon or LithiumPolymer Cell Battery Pack (4.1V 4.2V)
A Few External Components are required
Precharge, Constant Current, Constant Voltage Modes
Battery Temperature Monitor
Charge Status Indication
Automatic Battery Recharge
Charge Termination Detect
Auto Low Power Sleep Mode when VDD Power is Removed
MSOP8 Package
Ordering Information
Pin Assignments
1 page | ||
| Páginas | Total 1 Páginas | |
| PDF Descargar | [ Datasheet ET9501.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| ET9501 | Single Lithium-Ion or Lithium-Polymer cell linear battery charger | Etek Microelectronics |
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