A3952SLB

SOP, full-bridge, PWM motor driver, 50 V, ±3.5 A, -0.3 V to VCC + 0.3 V, A3952SLB

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Price:: US $1.00~1.30 / piece [Get Latest Price]

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PartNumber:: A3952SLB

Brand:: Allegro MicroSystems - Allegro | Pack: SOP | D/C: 11+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2012-05-22

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Part Number:A3952SLB
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Product Summary

The A3952SLB is a full-bridge PWM motor driver, which is designed for bidirectional pulse-width modulated current control of inductive loads. Internal circuit protection of the A3952SLB includes thermal shutdown with hysteresis, transient suppression diodes, and crossovercurrent protection. Special power-up sequencing is not required. With the ENABLE input held low, the PHASE input controls load current polarity by selecting the appropriate source and sink driver pair. The MODE input determines whether the PWM current-control circuitry operates in a slow current-decay mode (only the selected sink driver switching) or in a fast current-decay mode (selected source and sink switching). The A3952SLB is supplied in a choice of four power packages.

Parametrics

A3952SLB absolute maximum ratings: (1)Load Supply Voltage: 50 V; (2)Output Current (tw ≤ 20 μs): ±3.5 A; (Continuous): ±2.0 A; (3)Logic Supply Voltage: 7.0 V; (4)Logic Input Voltage Range: -0.3 V to VCC + 0.3 V; (5)Sense Voltage: 1.5 V; (6)Reference Voltage: 15 V; (7)Package Power Dissipation: See Graph; (8)Operating Temperature Range: –20 to +85℃; (9)Junction Temperature: +150℃; (10)Storage Temperature Range: –55 to +150℃.

Features

A3952SLB features: (1)±2 A Continuous Output Current Rating; (2)50 V Output Voltage Rating; (3)Internal PWM Current Control; (4)Fast and Slow Current-Decay Modes; (5)Sleep (Low Current Consumption) Mode; (6)Internal Transient Suppression Diodes; (7)Under-Voltage Lockout; (8)Internal Thermal Shutdown Circuitry; (9)Crossover-Current Protection.