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S-5841 Dataheets PDF



Part Number S-5841
Manufacturers Seiko Instruments
Logo Seiko Instruments
Description TEMPERATURE SWITCH IC
Datasheet S-5841 DatasheetS-5841 Datasheet (PDF)

S-5841 Series www.sii-ic.com © Seiko Instruments Inc., 2007-2015 TEMPERATURE SWITCH IC (THERMOSTAT IC) Rev.2.2_00 The S-5841 Series is a temperature switch IC (thermostat IC) which detects the temperature with a temperature accuracy of ±2.5°C. The output inverts when temperature reaches the detection temperature. The S-5841 Series restores the output voltage when the temperature drops to the level of release temperature. The S-5841 Series operates at the lower power supply voltage of 2.2 V an.

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S-5841 Series www.sii-ic.com © Seiko Instruments Inc., 2007-2015 TEMPERATURE SWITCH IC (THERMOSTAT IC) Rev.2.2_00 The S-5841 Series is a temperature switch IC (thermostat IC) which detects the temperature with a temperature accuracy of ±2.5°C. The output inverts when temperature reaches the detection temperature. The S-5841 Series restores the output voltage when the temperature drops to the level of release temperature. The S-5841 Series operates at the lower power supply voltage of 2.2 V and its current consumption is 10 μA typ. due to CMOS configuration. A temperature sensor with the negative temperature coefficient, a reference voltage generation circuit, a comparator and a delay circuit are integrated on one chip, and enclosed into the packages SOT-23-5 and SNT-6A.  Features • Detection temperature: TDET = +40°C to +100°C, +1°C step, detection accuracy: ±2.5°C • Low voltage operation: VDD = 2.2 V min. (Detection temperature = +55°C to +100°C, Ta = −40°C to +100°C) • Low current consumption: IDD = 10 μA typ. (Ta = +25°C) • Hysteresis temperature can be switched in 0°C, 2°C, 4°C and 10°C. • Selectable output logic in active "H" or "L" • Selectable output form in CMOS or Nch open drain • Operation temperature range: Ta = −40°C to +125°C • Lead-free, Sn 100%, halogen-free*1 *1. Refer to " Product Name Structure" for details.  Applications • Fan control • Air conditioning system • Various electronic devices  Packages • SOT-23-5 • SNT-6A Seiko Instruments Inc. 1 TEMPERATURE SWITCH IC (THERMOSTAT IC) S-5841 Series  Block Diagrams 1. CMOS output product VDD Temperature sensor + − Delay circuit Logic circuit (selectable) Reference voltage generation circuit VSS HYS1 HYS2*1 *1. The HYS2 pin is not equipped for SOT-23-5. Figure 1 2. Nch open drain output product VDD RT Temperature sensor + − Delay circuit Logic circuit (selectable) Reference voltage generation circuit VSS HYS1 HYS2*1 *1. The HYS2 pin is not equipped for SOT-23-5. Figure 2 RT 2 Seiko Instruments Inc. Rev.2.2_00 DET DET Rev.2.2_00 TEMPERATURE SWITCH IC (THERMOSTAT IC) S-5841 Series  Product Name Structure Users are able to select the option for hysteresis temperature, detection temperature, output form and logic, package for the S-5841 Series. 1. Product name 1. 1 SOT-23-5 S-5841 x xx x - M5T1 x Environmental code U: Lead-free (Sn 100%), halogen-free G: Lead-free (for details, please contact our sales office) Package abbreviation and IC packing specifications*1 M5T1: SOT-23-5, Tape Output form and Output logic*2 A: CMOS output (Active "H") B: CMOS output (Active "L") C: Nch open drain output (Active "H") D: Nch open drain output (Active "L") Detection temperature (TDET)*3 40 to 100 When the detection temperature is +80°C, it is expressed as 80. When the detection temperature is +100°C, it is expressed as A0. Option*4 A: Hysteresis temperature switched in 2°C and 10°C B: Hysteresis temperature switched in 4°C and 10°C Product name *1. Refer to the tape drawing. *2. The DET pin output can be selected the output logic in active "H" or "L". The DET pin output can be selected the output form in CMOS or Nch open drain. *3. The detection temperature (TDET) can be set in the range of +40°C to +100°C at 1°C step. *4. The hysteresis temperature is set by the HYS1 pin. By option, the hysteresis temperature of the product is selectable in 2°C and 10°C / 4°C and 10°C. Seiko Instruments Inc. 3 TEMPERATURE SWITCH IC (THERMOSTAT IC) S-5841 Series Rev.2.2_00 1. 2 SNT-6A S-5841 A xx x - I6T1 U Environmental code U: Lead-free (Sn 100%), halogen-free Package abbreviation and IC packing specifications*1 I6T1: SNT-6A, Tape Output form and Output logic*2 A: CMOS output (Active "H") B: CMOS output (Active "L") C: Nch open drain output (Active "H") D: Nch open drain output (Active "L") Detection temperature (TDET)*3 40 to 100 When the detection temperature is +80°C, it is expressed as 80. When the detection temperature is +100°C, it is expressed as A0. Option*4 A: Hysteresis temperature switched in 0°C, 2°C, 4°C and 10°C Product name *1. Refer to the tape drawing. *2. The DET pin output can be selected the output logic in active "H" or "L". The DET pin output can be selected the output form in CMOS or Nch open drain. *3. The detection temperature (TDET) can be set in the range of +40°C to +100°C at 1°C step. *4. The hysteresis temperature can be switched in 0°C, 2°C, 4°C, 10°C, and is set by the HYS1 pin and the HYS2 pin. 2. Packages Package Name SOT-23-5 SNT-6A Table 1 Package Drawing Codes Dimension MP005-A-P-SD PG006-A-P-SD Tape MP005-A-C-SD PG006-A-C-SD Reel MP005-A-R-SD PG006-A-R-SD Land − PG006-A-L-SD 4 Seiko Instruments Inc. Rev.2.2_00 TEMPERATURE SWITCH IC (THERMOSTAT IC) S-5841 Series 3. Product name list 3. 1 SOT-23-5 Table 2 Product Name Detection Temperature (TDET) DET Pin Output Form DET Pin Output Logic Hysteresis Temperature (THYS) S-5841A55D-M5T1x +55°C Nch open drain Acti.


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