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| 型号： | PS501-I/SS |
| 厂商： | Microchip Technology |
| 文件页数： | 19/42页 |
| 文件大小： | 0K |
| 描述： | IC FIELD REPROG BATT MGR 28SSOP |
| 标准包装： | 47 |
| 功能： | 充电管理 |
| 电池化学： | 锂离子（Li-Ion）、锂聚合物（Li-Pol） |
| 电源电压： | 5.6 V ~ 18 V |
| 工作温度： | -20°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 28-SSOP |
| 包装： | 管件 |
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PS501
8.0
SMBus/SBData INTERFACE
8.1
SBData Function Description
The PS501 uses a two-pin System Management Bus
(SMBus) protocol to communicate to the Host. One pin
The following subsections document the detailed
operation of all of the individual SBData commands.
is the clock and one pin is the data. The SMBus port
responds to all commands in the Smart Battery Data
8.1.1
ManufacturerAccess (0x00)
Specification (SBData). To receive information about
the battery, the Host sends the appropriate commands
Internal use only.
to the SMBus port. Certain alarms, warnings and
8.1.2
RemainingCapacityAlarm (0x01)
charging information may be sent to the Host by the
PS501 automatically. The SMBus protocol is explained
in this chapter. The SBData command set is
The PS501 SMBus communications port is fully com-
pliant with the System Management Bus Specification,
Version 1.1 and supports all previous and new
Sets or reads the low capacity alarm value. Whenever
the remaining capacity falls below the low capacity
alarm value, the Smart Battery sends alarm warning
messages to the SMBus Host with the
REMAINING_CAPACITY_ALARM bit set. A low
capacity alarm value of ‘ 0 ’ disables this alarm.
requirements, including bus time-outs (both slave and
8.1.3
RemainingTimeAlarm (0x02)
master), multi-master arbitration and collision detec-
tion/recovery. The SMBus port serves as a slave for
both read and write functions, as well as a master for
write word functions. SMBus slave protocols supported
include read word, write word, read block and write
block. Master mode supports write word protocols. The
PS501 meets and exceeds the Smart Battery Data
Specification, Version 1.1/1.1a requirements. The
PS501 is compliant with System Management Bus
Specification 1.0.
The PS501 fully implements the Smart Battery Data
(SBData) Specification v1.1. The SBData Specification
defines the interface and data reporting mechanism for
an SBS compliant Smart Battery. It defines a consistent
set of battery data to be used by a power management
system to improve battery life and system run-time,
while providing the user with accurate information. This
is accomplished by incorporating fixed, measured,
calculated and predicted values, along with charging
and alarm messages, with a simple communications
mechanism between a Host system, Smart Batteries
and a Smart Charger.
The PS501 provides full implementation of the SBData
set with complete execution of all the data functions,
including sub-functions and control bits and flags, com-
pliance to the accuracy and granularity associated with
particular data values and proper SMBus protocols and
timing.
? 2004 Microchip Technology Inc.
Sets or reads the remaining time alarm value.
Whenever the AverageTimeToEmpty falls below the
remaining time value, the Smart Battery sends alarm
warning messages to the SMBus Host with the
REMAINING_TIME_ALARM bit set. A remaining time
value of ‘ 0 ’ disables this alarm.
DS21818C-page 19
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PS501T | 功能描述:电池管理 SBS1.1 Fuel Gauge RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| PS501T-I/SS | 功能描述:IC BATTERY MANAGER REPROG 28SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 产品变化通告:BQ77908, BQ77910 Discontinuation 20/Mar/2012 标准包装:1 系列:- 功能:电池监控器，过压/欠压保护 电池化学:锂离子（Li-Ion）、锂聚合物（Li-Pol） 电源电压:5.6 V ~ 35 V 工作温度:-25°C ~ 85°C 安装类型:表面贴装 封装/外壳:38-TFSOP（0.173"，4.40mm 宽） 供应商设备封装:38-TSSOP 包装:剪切带 (CT) 其它名称:296-28784-1 |
| PS502 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Optoelectronic |
| PS-5020APL05 | 制造商: 功能描述: 制造商:undefined 功能描述: |
| PS5022 | 制造商:PREMO 制造商全称:PREMO CORPORATION S.L 功能描述:SMD Power Inductors Shielded |
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