LB1945H-TLM-E ON Semiconductor, LB1945H-TLM-E Datasheet
LB1945H-TLM-E
Specifications of LB1945H-TLM-E
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LB1945H-TLM-E Summary of contents
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... Ordering number : EN6193B LB1945H Overview The LB1945H is a PWM current control type stepping motor driver. Feature • PWM current control (external excitation) • Load current digital selection (1-2, W1-2, and 2 phase excitation drives possible) • Built-in upper/lower diode • Simultaneous ON prevention function (feed-through current prevention) • ...
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... Vref/Vsen value Reference current Iref CR pin current I CR Thermal shutdown temperature T-TSD Temperature hysteresis width Ts hys * Design guarantee value, Do not measurement. LB1945H Conditions Conditions 0.8V 0.8V, ENABLE = 0.8V ENABLE = 3. +0.5A, sink +0.8A, sink -0.5A, source -0.8A, source sink 0V, source L = 3.9mH 1.0A, Design guarantee value * ...
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... Pin Assignment LB1945H 2.4 2.0 1.9 1.6 1.2 0.8 0.25 0 -20 SANYO : HSOP28H(375mil) OUT OUT D-GND LB1945H PHASE1 9 20 ENABLE1 REF GND max -- Ta Specified board: 114.3×76.1×1.6mm glass epoxy board Ambient temperature °C OUT B OUT D-GND ...
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... Block Diagram LB1945H No.6193-4/7 ...
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... Low input: OUT OUT ENABLE1 Output ON/OFF setting input pins. 19 ENABLE2 High input: output OFF Low input: output ON 12, 1 Output current setting digital input pins. 17, 1 Current is set to 1/3, 2/ High and Low combinations Logic block power supply voltage pin. LB1945H OUT OFF 0 Function No.6193-5/7 ...
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... Voltage from 1 can be applied. The fin on the bottom of HSOP-28H package and the fins between pins 7 and 8 and 21 and 22 should be grounded. LB1945H 1 OUT A OUT OUT A OUT D-GND D-GND 22 LB1945H PHASE1 PHASE2 20 10 ENABLE1 ENABLE2 REF REF 2 14 GND 15 S-GND L 0.51Ω ...
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... SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. This catalog provides information as of March, 2009. Specifications and information herein are subject to change without notice. LB1945H PS No.6193-7/7 ...