Single Coil Hall Effect IC with Thermal Lock Protection and Auto-Restart
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1 Single Coil Hall Effect IC with Thermal Lock Protection and Auto-Restart Features: Operate from 2.8V to 14V supply voltage. On-chip Hall sensor. Internal bandgap regulator allows temperature compensated operations and a wide operating voltage range. Output sinking capability up to 350mA for driving large load. Lower current change rate reduces the peak output voltages during switching. Available in rugged low profile SIP-4L,SIP-5L and SOT-25 packages. Built-in Frequency Generator. Built-in protection diode for reverse power supply fault. Prevent the fail situation during lock status or high temperature Built-in thermal lock protection and auto-restart function. General Description: WSH42FB is designed to integrate Hall sensor with two push-pull output drivers and frequency generator together on the same chip, it is suitable for single coil DC brushless motors. It includes a temperature compensated voltage regulator, a differential amplifier, a Hysteresis controller, complementary bi-direction drivers for sinking and driving large current load and an open-collector frequency generator capable of sinking 10mA current load. An on-chip protection diode is implemented to prevent reverse power fault. It also includes coil parts. You can eliminate all the external components for the function of FG and reverse protection diode. And built-in thermal lock protection and auto-restart function will automatically shutdown power at 110 C to prevent the coils be damaged during high temperature and auto-restart at 105 C. It can replace the function of lock protection and auto-restart at low cost. WSH42FB are rated for operation over temperature range from 20 C to 90 C and voltage ranges from 2.8V to 14V. Winson, 2005/9/23 1
2 Pin Descriptions: (SIP-4L) Name P/I/O Pin# Description Vcc P 1 Positive Power Supply DOB O 2 Output Pin #1 DO O 3 Output Pin #2 Vss P 4 Ground Pin Descriptions: SIP-5L Name P/I/O Pin# Description Vcc P 1 Positive Power Supply DOB O 2 Output Pin #1 DO O 3 Output Pin #2 FG O 4 Frequency Generator Vss P 5 Ground Pin Descriptions: (SOT-25) Name P/I/O Pin# Description Vcc P 1 Positive Power Supply Vss P 2 Ground FG O 3 Frequency Generator DO O 4 Output Pin #2 DOB O 5 Output Pin #1 Absolute Maximum Rating (at Ta=25 C) Supply Voltage Vcc V FG breakdown Voltage Vfg V Magnetic flux density B Unlimited Reverse Protection Voltage Vr V Output ON Current (continuous) Ic mA FG ON Current (continuous) If mA Operating Temperature Range Ta (-20 C to +90 C) Storage Temperature Range Ts (-65 C to +150 C) Package Power Dissipation Pd mw for SOT mw for SIP-4L 500mw for SIP-5L Winson, 2005/9/23 2
3 Electrical Characteristics: (T=+25 C, Vcc=2.8V to 14V) Characteristic Symbol Test Conditions Min Typ Max Units Supply Voltage Vcc V Output Saturation Voltage FG Saturation Voltage Output Leakage Current Supply Current Vout(sat) Vdrive+Vsink Vcc=5V, Io=200mA V Vfg(sat) Vcc=5V, If=5mA V B > Bop Ileakage Vcc=5V, B < Brp < ua Isupply Vcc=5V, Io=200mA FG ON ma Function Block: Magnetic Characteristics: Characteristics Symbol Quantity Operate Point Release Point Bop Brp Grade A Grade B Grade A Grade B Ta= -20 C to +80 C Min Typ. Max Unit Gauss Gauss Hysteresis Window Bop-Brp Gauss Winson, 2005/9/23 3
4 Ordering Information: SIP -4L: WSH42FB-XPA SIP -5L: WSH42FB-XPC SOT-25: WSH42FB-XPD Elec. Grade Elec. Grade SIP-4L & SIP-5L: 1: A Grade (70 Gauss) 2: B Grade (100 Gauss) SOT-25: 1: A Grade (70 Gauss) 2: B Grade (100 Gauss) Test Circuit: 1. SIP-4L Winson, 2005/9/23 4
5 2.SIP-5L 3. SOT-25 Winson, 2005/9/23 5
6 Package Information: 1. SIP-4L Winson, 2005/9/23 6
7 2. SIP-5L Winson, 2005/9/23 7
8 3. SOT-25 Winson, 2005/9/23 8
9 Application Circuit: 1. SIP-4L Figure 1. 2.SIP-5L Figure2. Winson, 2005/9/23 9
10 3-1. SOT-25 Figure SOT-25 Figure 4. Winson, 2005/9/23 10
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SPEC NO: DSAE5924 REV NO: V.9B DATE: DEC/03/2013 PAGE: 1 OF 5 APPROVED: WYNEC CHECKED:
3.0mmx1.5mm SMD CHIP LED LAMP Part Number: APL3015SGC-F01 Super Bright Green Features 3.0mmx1.5mm SMT LED, 1.4mm thickness. Low power consumption. Ideal for backlight and indicator. Various colors and
VBattery 7 VCC V DD IRLED IS31SE5001 SDA SCL INTB SDB. Figure 1 Typical Application Circuit
IR SENSOR FOR TOUCHLESS PROXIMITY July 2013 GENERAL DESCRIPTION The IS31SE5001 is a low-power, reflectance-based infrared light sensor with advanced signal processing and digital output. The sensor can
NJW4120. Lithium-ion Battery Charger Controller IC with Timer
Lithium-ion Battery r Controller IC with Timer GENERAL DESCRIPTI NJW4120 is a 1-cell and 2-cell lithium ion battery charge control IC with a built-in AC-DC secondary side control feature. Using a photocoupler