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| 型号： | AS5130-ASST-500 |
| 厂商： | ams |
| 文件页数： | 25/33页 |
| 文件大小： | 4323K |
| 描述： | IC ENCODER ROTORY 8-BIT 16-SSOP |
| 标准包装： | 500 |
| 传感范围： | 32mT ~ 75mT |
| 类型： | 线性，旋转编码器 - 可编程 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 电流 - 电源： | 24mA |
| 输出类型： | 模拟，比率 |
| 特点： | 可编程 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | * |
| 供应商设备封装： | * |
| 包装： | * |
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www.austriamicrosystems.com/AS5130
Revision 1.12
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AS5130
Datasheet - Detailed Description
7.8.3 Polling Mode
Target of this mode is a reduction of the average power consumption. In this mode, the IC supply is pulsed, thereby reducing the average power
consumption to a fraction. The actual angle information and multi turn count value is not lost; polling mode is especially suited for battery
powered applications. The IC is furthermore capable of generating a WAKE signal as soon as the magnets position has changed, but only if the
supply of the IC is powered-on again. By means of the WAKE signal, the systems power consumption can be further decreased, if certain
modules are activated on demand.
Figure 18. External Circuitry for Polling Mode
The voltage at pin 16 (DVDD) determines whether polling mode is activated or not. Any voltage above 3.6V activates the polling functionality.
This voltage must always be present at DVDD in order to hold the information in the registers.
The procedure is as follows:
1. Initial startup: The circuit starts up with invalid trim values, which are read back from the storage registers; the command rst_otp
(command 19 10011) must be sent to read out valid trim values from the OTP.
2. These values are copied to the storage registers if OTP<8> (Wake enable) is set (must be set for polling mode).
3. The values of AGC counter, actual angle, multi turn counter, hysteresis setting, wake threshold and gain setting are continuously
updated in the storage registers.
4. The actual angle is stored as a reference by sending command STORE REF (command 3 00011). without this reference angle, a
WAKE is generated at every startup.
5. The update of the storage registers is stopped if VDD drops below 4.45V and then the information is stored (DVDD) at the next startup
(VDD on), the values are read back from the storage registers and the measured angle is compared with the stored reference angle; if
the difference between both exceeds the threshold, a WAKE pulse is generated.
DVDD
WAKE
t_on
t_off
t_wakeup
100n
+5V
>1.5K
VDD
VSS
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相关代理商/技术参数 |
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| AS5130ASSU | 制造商:AMS 功能描述:IC MAGNETIC ROTARY ENCODER 8BIT SSOP-16 制造商:AMS 功能描述:IC, MAGNETIC ROTARY ENCODER 8BIT SSOP-16; IC Function:Encoder IC; Brief Features:360 Contactless Angular Position Encoding, Two Digital 8-bit Absolute Output; Supply Voltage Min:3V; Supply Voltage Max:5.5V; No. of Pins:16 ;RoHS Compliant: Yes |
| AS5130-ASSU | 功能描述:IC ENCODER ROTARY 8-BIT 16-SSOP RoHS:是 类别:传感器，转换器 >> 磁性 - 霍尔效应，数字式开关，线性，罗盘 (IC) 系列:- 标准包装:1 系列:- 传感范围:20mT ~ 80mT 类型:旋转 电源电压:4.5 V ~ 5.5 V 电流 - 电源:15mA 电流 - 输出（最大）:- 输出类型:数字式，PWM，8.5 位串行 特点:可编程 工作温度:-40°C ~ 150°C 封装/外壳:20-SSOP（0.209"，5.30mm 宽） 供应商设备封装:20-SSOP 包装:Digi-Reel® 其它名称:AS5132-HSST-500DKR |
| AS5130ATST | 制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:8 Bit Programmable Magnetic Rotary Encoder with Motion Detection & Multiturn |
| AS5130ATSU | 制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:8 Bit Programmable Magnetic Rotary Encoder with Motion Detection & Multiturn |
| AS5130-SS_EK_DB | 功能描述:AS5130 - Magnetic, Rotary Position Sensor Evaluation Board 制造商:ams 系列:- 零件状态:有效 传感器类型:磁性，旋转位置 感应范围:360° 接口:串行 灵敏度:- 电压 - 电源:4.5 V ~ 5.5 V 嵌入式:- 所含物品:板 使用的 IC/零件:AS5130 标准包装:1 |
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