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Part: KMI16/1
Category:
Sensors
Description: KMI16/1; Integrated Rotational Speed Sensor
Company: Philips Semiconductors
Datasheet: Download KMI16/1 datasheet File size : 42 kB
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DISCRETE SEMICONDUCTORS
DATA SHEET
M3D391
KMI16/1 Integrated rotational speed sensor
Product specification Supersedes data of 1998 May 15 2000 Sep 05
Philips Semiconductors
Product specification
Integrated rotational speed sensor
DESCRIPTION The KMI16/1 sensor detects rotational speed of ferrous gear wheels and reference marks. The sensor consists of a magnetoresistive sensor element, a signal conditioning integrated circuit in bipolar technology and a ferrite magnet. The frequency of the digital current output signal is proportional to the rotational speed of the target wheel. The open collector (OC) output allows for a high degree of flexibility in the design of subsequent conditioning electronics. CAUTION Do not press two or more products together against their magnetic forces. Do not expose products to strong magnetic fields of more than 30 kA/m.
handbook, halfpage
KMI16/1
PINNING PIN 1 2 3 SYMBOL VCC Vout GND DESCRIPTION DC supply voltage open collector output ground
1
2
3
MBK766
Fig.1 Simplified outline (SOT477B).
QUICK REFERENCE DATA SYMBOL VCC ICC VCEsat dmax ft Tamb DC supply voltage DC supply current (pin 1) OC saturation voltage maximum sensing distance operating tooth frequency ambient operating temperature PARAMETER 4 - 2.4 0 -40 MIN. 4.5 5 10 - 2.9 - - TYP. MAX. 16 14 1 - 25 000 +150 V mA V mm Hz °C UNIT
2000 Sep 05
2
Philips Semiconductors
Product specification
Integrated rotational speed sensor
LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 60134) SYMBOL VCC PARAMETER DC operating supply voltage voltage pin 1 Vout Vout(max) Iout(max) Iout(off) Ptot Tsld Tstg Tamb OC output voltage peak OC output voltage OC output current OC output leakage current total power dissipation soldering temperature storage temperature ambient operating temperature CONDITIONS Tamb = -40 to +150 °C MIN. 4.5
KMI16/1
MAX. 16 +16 +16 +26.5 20 100 200 260 +150 +150
UNIT V V V V mA µA mW °C °C °C
Tamb = -40 to +150 °C; no wrong polarity -0.5 protection Tamb = -40 to +150 °C; no wrong polarity -0.5 protection; see Fig.5 Tamb = -40 to +40 °C; no wrong polarity protection; see Fig.5 Tamb = -40 to +150 °C Tamb = -40 to +150 °C Tamb = -40 to +150 °C t 10 s -0.5 - - - - -65 -40
CHARACTERISTICS Tamb = 25 °C; VCC = 5 V; d = 1.9 mm; ft = 2 kHz; test circuit see Fig.5; gear wheel: module 2.08 mm; material 9SMnPb28k; see Fig.6; centred sensor position; see notes 1, 2 and 3; unless otherwise specified. SYMBOL ICC Vout (high) VCE sat tr tf dmin dmax Notes 1. High rotational wheel speeds reduce the maximum sensing distance because of eddy currents, depending on target wheel dimensions and materials used. 2. Output pins are designed for electrostatic sensitivity for more than 2 000 V according to Human Body Model (HBM); MIL-STD-883; method 3 015. 3. EMC behaviour depends greatly on design of application circuit. PARAMETER supply current (pin 1) OC output voltage high OC saturation voltage output signal rise time output signal fall time duty cycle minimum sensing distance CONDITIONS Tamb = -40 to +150 °C OC = on state; Iout = 20 mA 10% to 90% 10% to 90% Tamb = -40 to +150 °C Tamb = -40 to +150 °C 4 - 5 0.1 30 - 2.4 MIN. TYP. 10 4.9 0.4 12 0.4 50 0.3 2.9 MAX. 14 - 1 20 10 70 0.5 - UNIT mA V V µs µs % mm mm
OC = off state; Tamb = -40 to +150 °C 4.7
maximum sensing distance Tamb = -40 to +150 °C
2000 Sep 05
3
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