tb6558flg TOSHIBA Semiconductor CORPORATION, tb6558flg Datasheet
tb6558flg
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tb6558flg Summary of contents
Page 1
... TOSHIBA BiCD Integrated Circuit Silicon Monolithic DC Motor Driver The TB6558FLG is a dual bridge driver IC for DC motor control using LDMOS output transistors with low ON-resistance. Four operation modes are selectable via IN1 and IN2: forward, reverse, short brake and stop. The TB6558FLG uses constant-current PWM chopper drive. ...
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... Internal pull-down resistor of 200 kΩ An internal reference voltage generator (0.6 V typ.) is connected to this pin. (The voltage divider ratio can be determined by an external resistor.) (ope Active (internal pull-down resistor of 300 kΩ) 2 TB6558FLG AO1 Bridge driver (channel A) AO2 RFA V M BO1 ...
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... Short brake L H Reverse/forward H L Forward/reverse OFF (high impedance) Stop OFF (high impedance) Standby (power save) OUT1 M OUT2 GND <PWM: ON → OFF> OUT2 OUT1 M GND <PWM: ON> TB6558FLG OUT1 M OUT2 GND <PWM: OFF> OUT2 GND V M GND 2008-04-03 ...
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... Turn-on time of a switching transistor 1.2 V OSC 0 the external capacitor (C OSC = 1 t2, then the V OSC as follows: OSC I ⋅ ∆ t OSC OSC can be calculated as: OSC ∆ 6.957 × 10 × ∆ t OSC 4 TB6558FLG . OSC Waveform OSC ) is OSC slope (∆ OSC OSC slope, OSC 2008-04-03 ...
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... When high-side output transistors are turned off, the TB6558FLG, by default, counts 10 rising edges of the internal CK signal as turn-off period. (The counter resets at the 11 Based on this turn-off period, the TB6558FLG generates a PWM signal that turns on and off the output transistors. Timing Diagram of the PWM Chopper Circuit ...
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... I 0.8 A OUT P 0.78 (Note − °C opr −55 to 150 T °C stg Symbol Min Typ. Max Unit V 2 2 ⎯ ⎯ I 0.6 A OUT ⎯ ⎯ MHz OSC ⎯ 250 kHz chop 6 TB6558FLG Remarks refA pins refB 2008-04-03 ...
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... When V ref refB (design target only (L) = 220 OSC OSC TSD (design target only) ∆TSD 7 TB6558FLG = Min Typ. Max Unit ⎯ 1.4 3 ⎯ mA 1.4 3 ⎯ 1.4 3 ⎯ ⎯ 15 µA ⎯ ⎯ ⎯ ...
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... Note 1: Bypass capacitors and a capacitor that is connected to the OSC pin should be places as close to the IC as possible. Note 2: The TB6558FLG must be powered on either when the STBY pin is set Low (standby mode), or when the IN1 and IN2 pins are set Low (stop mode). ...
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... When using the TB6558FLG, it should be ensured that the thermal pad and solder plated pads (shaded areas in the top and bottom views) are electrically insulated (Note). Note: Care should be taken in the board design to prevent solder for through-hole joints from flowing to the solder plated pads on the bottom of the package (shaded areas in the bottom view). • ...
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... Otherwise, the current or power consumption may exceed the absolute maximum rating, and exceeding the rating(s) may cause the device breakdown, damage or deterioration, and may result injury by explosion or combustion. In addition, do not use any device that is applied the current with inserting in the wrong orientation or incorrectly even just one time. 10 TB6558FLG 2008-04-03 ...
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... If the current sink capability of the power supply is small, the device’s motor power supply and output pins might be exposed to conditions beyond maximum ratings. To avoid this problem, take the effect of back-EMF into consideration in system design. 11 TB6558FLG 2008-04-03 ...
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... Package Dimensions Weight: 0.05 g (typ.) 12 TB6558FLG 2008-04-03 ...
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... Please use this product in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances. Toshiba assumes no liability for damage or losses occurring as a result of noncompliance with applicable laws and regulations. 060819_AF • The products described in this document are subject to foreign exchange and foreign trade control laws. 021023_D 021023_B 060106_Q 13 TB6558FLG 070122EBA_R6 060925_E 2008-04-03 ...