Difference between revisions of "BTemp"
From CPKB - Cell Phone Knowledge Base
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| − | It is used to measure the battery temperature. | + | [[File:Nokia_battery_schematics_1.gif|thumb|Schematics of Nokia battery.]] |
| + | It is used to measure the battery temperature. | ||
| − | + | == Also known as == | |
| − | In case of NTC thermistor, if the temperature | + | * NTC |
| + | * Battery Temperature Indicator | ||
| + | |||
| + | == Notes == | ||
| + | |||
| + | == What is BTemp? == | ||
| + | The battery block contains NTC (and usually [[BSI]]) resistors for temperature measurement. Temperature and capacity information is needed for charge control. These resistors are connected to BSI and BTEMP pins of the battery connector. | ||
| + | |||
| + | The phone stops the charging, if the battery is starting to overheating. | ||
| + | |||
| + | In case of NTC thermistor, if the temperature increases, the resistance decreases. The resistance between GND and BTemp is determined by the temperature of the battery. | ||
| + | |||
| + | There are batteries which don't have BTemp connector. In this case, the phone has a temperature meter which is in the mobile phone, close to the battery. | ||
| + | |||
| + | == See also == | ||
| + | * [[Nokia battery schematic]] | ||
| + | * [[:Category:Nokia battery|Nokia battery specifications]] | ||
| + | * [[:Category:Samsung battery|Samsung battery specifications]] | ||
| + | * [[:Category:Sonyericsson battery|Sony Ericsson battery specification]] | ||
| + | * [[:Category:Nokia battery pinout|Nokia battery pinout]] | ||
| + | * [[:Category:Samsung battery pinout|Samsung battery pinout]] | ||
| + | * [[:Category:Sonyericsson battery pinout|Sony Ericsson battery pinout]] | ||
| + | |||
| + | [[Category:Glossary]] | ||
Latest revision as of 17:13, 10 September 2013
It is used to measure the battery temperature.
Contents
Also known as[edit]
- NTC
- Battery Temperature Indicator
Notes[edit]
What is BTemp?[edit]
The battery block contains NTC (and usually BSI) resistors for temperature measurement. Temperature and capacity information is needed for charge control. These resistors are connected to BSI and BTEMP pins of the battery connector.
The phone stops the charging, if the battery is starting to overheating.
In case of NTC thermistor, if the temperature increases, the resistance decreases. The resistance between GND and BTemp is determined by the temperature of the battery.
There are batteries which don't have BTemp connector. In this case, the phone has a temperature meter which is in the mobile phone, close to the battery.
