AH287Z4-AE1 BCDSEMI [BCD Semiconductor Manufacturing Limited], AH287Z4-AE1 Datasheet
AH287Z4-AE1
Related parts for AH287Z4-AE1
AH287Z4-AE1 Summary of contents
Page 1
TWO PHASE HALL EFFECT LATCH WITH LOCKED PROTECTION General Description The AH287 is an integrated Hall sensor with output drivers for brushless DC motor application. This IC consists of two complementary outputs for motor’s coil driving and has automatic lock ...
Page 2
TWO PHASE HALL EFFECT LATCH WITH LOCKED PROTECTION Pin Configuration Figure 2. Pin Configuration of AH287 (Front View) Pin Description Pin Number Pin Name DOB 4 GND Aug. 2008 Rev Package (TO-94) ...
Page 3
... Ordering Information Circuit Type Package Z4: TO-94 Temperature Package Range Lead Free AH287Z4-AE1 TO-94 -20 to 85°C AH287Z4-BE1 AH287Z4-CE1 BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant. Products with "G1" suffix are available in green package. Aug. 2008 Rev ...
Page 4
TWO PHASE HALL EFFECT LATCH WITH LOCKED PROTECTION Absolute Maximum Ratings (Note 1, T Parameter Supply Voltage Magnetic Flux Density Continuous Output Current Hold Peak (Start Up) Power Dissipation Die to Atmosphere Thermal Resistance Die to Package Case Junction Temperature ...
Page 5
TWO PHASE HALL EFFECT LATCH WITH LOCKED PROTECTION Electrical Characteristics V =14V, T =25°C, unless otherwise specified Parameter Symbol Output Saturation V SAT Voltage Supply Current Output Rise Time Output Fall Time tf Switch Time ...
Page 6
TWO PHASE HALL EFFECT LATCH WITH LOCKED PROTECTION Magnetic Characteristics (T Parameter Symbol Operating Point B OP Releasing Point B RP Hysteresis B HYS Test Circuit S Marking Side N Aug. 2008 Rev =25°C) A Grade Min Typ ...
Page 7
TWO PHASE HALL EFFECT LATCH WITH LOCKED PROTECTION Magnetic Hysteresis Characteristics -100 -50 0 Magnetism (Gauss) Figure 4. DO Output vs. Magnetism Typical Performance Characteristics ...
Page 8
TWO PHASE HALL EFFECT LATCH WITH LOCKED PROTECTION Typical Performance Characteristics (Continued) 200 150 100 50 0 -50 -100 -150 -200 Supply Voltage (V) Figure vs. Supply Voltage OP RP HYS ...
Page 9
TWO PHASE HALL EFFECT LATCH WITH LOCKED PROTECTION Typical Application (Note 2) Note 2: 1. The minimum startup voltage is 3.5V when D1 is disconnected. 2. The capacitances of C and C2 are adjustable base on system requirements. The recommended ...
Page 10
TWO PHASE HALL EFFECT LATCH WITH LOCKED PROTECTION Operating Diagram (Note 3) Hall Input Motor Output CT Motor locked Motor lock detected Note 3: The automatic restart circuit detects a motor lock condition and automatically turns off the output current. ...
Page 11
TWO PHASE HALL EFFECT LATCH WITH LOCKED PROTECTION Mechanical Dimensions Aug. 2008 Rev TO-94 BCD Semiconductor Manufacturing Limited 11 Data Sheet AH287 Unit: mm(inch) ...
Page 12
BCD Semiconductor Manufacturing Limited BCD Semiconductor Manufacturing Limited reserves the right to make changes without further notice to any products or specifi- BCD Semiconductor Manufacturing Limited reserves the right to make changes without further notice to any products or specifi- ...