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| 型号： | PS200-I/SS |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO20 |
| 封装： | 5.30 MM, PLASTIC, MO-150, SSOP-20 |
| 文件页数： | 3/36页 |
| 文件大小： | 537K |
| 代理商： | PS200-I/SS |
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2005 Microchip Technology Inc.
DS21891B-page 9
PS200
2.3
KEELOQ Algorithm
The PS200 includes Microchip’s KEELOQ decoder
algorithm. The KEELOQ code hopping technology is a
worldwide standard providing a simple, yet highly
secure, solution for authentication. Microchip’s battery
management products include the KEELOQ algorithm to
provide secure identification for rechargeable batteries.
When the KEELOQ algorithm is enabled, the PS200 will
issue a 32-bit challenge to the attached rechargeable
battery. The battery, which also includes the KEELOQ
decoder algorithm, will generate a response. See
Microchip application note
AN827 “Using KEELOQ to
Validate Subsystem Compatibility” (DS00827) for
details on implementing a complete KEELOQ battery
authentication system.
2.4
Lithium Configurable Parameters
The PS200 device’s configurable parameters allow for
flexible changes in designing battery chargers. The
parameters are categorized as follows:
Configuration
Charging Limits
- Precharge
- Current Regulation
- Voltage Regulation
LED Display Configuration
Please refer to Table 2-1 “PS200 Lithium Configurable
Parameters”.
2.4.1
CONFIGURATION PARAMETERS
The configuration parameters provide an identity to the
battery pack and provide its basic characteristics to the
PS200.
2.4.2
CHARGING LIMITS
2.4.2.1
Precharge Parameters
The Precharge parameters configure the charger’s
operation during this initial battery charging phase.
2.4.2.2
Current Regulation Parameters
The Current Regulation parameters configure the
charger’s operation during this second battery charging
phase.
2.4.2.3
Voltage Regulation Parameters
The Voltage Regulation parameters configure the
charger’s operation during this third battery charging
phase.
2.4.3
LED DISPLAY CONFIGURATION
The PS200 supports a two-LED charging state display.
These LEDs can be configured to identify seven unique
charger states:
Charge Pending – charger is waiting for battery
pack that needs charge.
Charge Qualification – charger is determining if
the battery pack can be safely charged.
Precharge – charger is charging the battery pack
under the conditions configured for precharge.
Charge Suspend – charger has temporarily
suspended charging the battery pack. This state
is usually entered as a result of violating a
maximum temperature requirement. Charging will
resume when conditions are within required
charging parameter values.
Current Regulation – charger is charging the
battery pack with a constant current.
Voltage Regulation – charger is charging the
battery pack at the constant target voltage.
Charge Complete – charger has completed
charging the battery pack.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PS-200-MCP | 制造商:SPC Multicomp 功能描述:BRIEF CASE CONDUCTIVE 制造商:SPC Multicomp 功能描述:BRIEF CASE, CONDUCTIVE |
| PS200-NA | 制造商:EMCORE 制造商全称:Emcore Corporation 功能描述:Optiva SERIES Professional Media Transport |
| PS200R | 制造商:PANJIT 制造商全称:Pan Jit International Inc. 功能描述:FAST SWITCHING PLASTIC RECTIFIER(VOLTAGE - 50 to 1000 Volts CURRENT - 2.0 Amperes) |
| PS200R _AY _10001 | 制造商:PanJit Touch Screens 功能描述: |
| PS200R_04 | 制造商:PANJIT 制造商全称:Pan Jit International Inc. 功能描述:FAST SWITCHING PLASTIC RECTIFIER |
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