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ATS276C-PL-A

ATS276C-PL-A

  • 厂商:

    ANACHIP

  • 封装:

  • 描述:

    ATS276C-PL-A - Complementary Output Hall Effect Latch - Anachip Corp

  • 数据手册
  • 价格&库存
ATS276C-PL-A 数据手册
ATC Complementary Output Hall Effect Latch Features - On-chip Hall sensor with two different sensitivity and hysteresis settings for ATS276/277 - 3.5V to 20V operating voltage - 400mA (avg) output sink current - Build-in protecting diode only for chip reverse power connecting - -20°C to 85°C operating temperature - Low profile 4 pin SIP package ATS276/277 General Description Applications Dual-coil Brush-less DC Motor Dual-coil Brush-less DC Fan Revolution Counting Speed Measurement ATS276/277 are integrated Hall sensors with output drivers, mainly designed for electronic commutation of brush-less DC Fan. This IC internally includes the regulator, protecting diode, Hall plate, amplifier, comparator, and a pair of complementary open-collector outputs (DO, DOB). While the magnetic flux density (B) is larger than operate point (Bop), DO will turn on (low), and meanwhile DOB will turn off (high). Each output is latched until B is lower than release point (Brp), and then DO、DOB transfer each state. For DC fan application, sometimes need to test power reverse connection condition. Internal diode only protects chip-side but not for coil-side. If necessary, add one external diode to block the reverse current from coil-side. Ordering Information ATS27X X - X X X - X Part No. 6 : ATS276 7 : ATS277 Wafer Body Blank or A~Z : if necessary to specify Package P: SIP-4L Lead L : Lead Free Blank: Normal Packing Blank : Tube or Bulk A : Tape & Reel Magnetic Characteristics 276:A or B or C 277:A or B Typical Application Circuit 27X coil1 coil2 1 Vcc 2 3 4 Brush-less DC Fan This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sale of the product. Rev.B1 Mar 17, 2004 1/7 ATC Complementary Output Hall Effect Latch Block Diagram 1 VCC DO ATS276/277 2 REG. Hall Plate Amp DOB 3 GND 4 Pin Assignment 277 (276) Front View 1 : VCC 2 : DO 3 : DOB 12 3 4 4 :GND Name Vcc DO DOB GND P/I/O P O O P Pin # 1 2 3 4 Description Power Supply Input Output Pin Output Pin Ground Anachip Corp. www.anachip.com.tw 2/7 Rev.B1 Mar 17, 2004 ATC Complementary Output Hall Effect Latch Absolute Maximum Ratings ( at Ta=25°C ) Characteristics Supply voltage Reverse VCC Polarity Voltage Magnetic flux density Continuous Output “on” current Hold Peak (Start Up) Operating temperature range Storage temperature range Package Power Dissipation Maximum Junction Temp Symbol VCC VRCC B Ic Values 20 -20 Unlimited 0.4 0.5 0.7 -20~+85 -65~+150 550 150 Unit V V ATS276/277 A °C °C mW °C Ta Ts PD Tj Electrical Characteristics ( T=+25°C Vcc = 4.0V to 20V ) Characteristic Low Supply Voltage Supply Voltage Output Zener Breakdown Output Saturation Voltage Output Leakage Current Supply Current Output Rise Time Output Falling Time Switch Time Differential Symbol Vce Vcc Vz Vce(sat) Icex Icc tr tf ∆t Conditions Vcc=3.5V, IL=100mA 3.5 Vcc=14V, IL=300mA Vce=14V, Vcc=14V Vcc=20V, Output Open Vcc=14V, RL=820Ω, CL=20pF Vcc=14V, RL=820Ω, CL=20pF Vcc=14V, RL=820Ω, CL=20pF 46 0.3
ATS276C-PL-A 价格&库存

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