BA6840 ROHM Electronics, BA6840 Datasheet
BA6840
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BA6840 Summary of contents
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... Motor driver ICs 3-phase motor driver BA6840BFS / BA6840BFP-Y / BA6840BFP / BA6842BFS The BA6840BFS, BA6840BFP-Y, BA6840BFP, and BA6842BFS are one-chip ICs designed for driving CD-ROM motors. They are high performance-ICs with a 3-phase, full-wave, pseudo-linear drive system. FApplications CD-ROM / RW, DVD-ROM / PLAYER FFeatures 1) 3-phase, full-wave, pseudo-linear drive system. ...
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... Motor driver ICs FAbsolute maximum ratings (Ta = 25_C) FRecommended operating conditions 524 BA6840BFS / BA6840BFP-Y / BA6840BFP / BA6842BFS ...
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... Motor driver ICs FElectrical characteristics (unless otherwise noted 25_C, V BA6840BFS / BA6840BFP-Y / BA6840BFP / BA6842BFS = 5V 12V) M 525 ...
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... Motor driver ICs FElectrical characteristic curves 526 BA6840BFS / BA6840BFP-Y / BA6840BFP / BA6842BFS ...
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... The phases of the Hall input signal, output voltage, and output current are shown in Fig. 5. BA6840BFS / BA6840BFP-Y / BA6840BFP / BA6842BFS (2) Torque control pin The R -pin current depends on the torque control input NF voltage (EC) as shown in Fig ...
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... Motor driver ICs FPin descriptions FInput / output circuits (1) Start / stop 528 BA6840BFS / BA6840BFP-Y / BA6840BFP / BA6842BFS (2) Reversing pin (3) Hall bias ...
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... Hall devices can be connected in either series or parallel. (3) Thermal shutdown circuit (TSD) The circuit puts the coil outputs (A open state at the temperature of 175_C (typical). There is a temperature difference of about 15_C between the temperatures at which the circuit is activated and deacti- vated. BA6840BFS / BA6840BFP-Y / BA6840BFP / BA6842BFS ( ...
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... Motor driver ICs FApplication example 530 BA6840BFS / BA6840BFP-Y / BA6840BFP / BA6842BFS ...
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... Motor driver ICs FExternal dimensions (Units: mm) BA6840BFS / BA6840BFP-Y / BA6840BFP / BA6842BFS 531 ...