BA6840BFP Rohm, BA6840BFP Datasheet
BA6840BFP
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BA6840BFP 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 BA6840BFS / BA6840BFP-Y / BA6840BFP / BA6842BFS FAbsolute maximum ratings (Ta = 25_C) FRecommended operating conditions 524 ...
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... Motor driver ICs BA6840BFS / BA6840BFP-Y / BA6840BFP / BA6842BFS FElectrical characteristics (unless otherwise noted 25_C 5V 12V 525 ...
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... Motor driver ICs BA6840BFS / BA6840BFP-Y / BA6840BFP / BA6842BFS FElectrical characteristic curves 526 ...
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... Motor driver ICs BA6840BFS / BA6840BFP-Y / BA6840BFP / BA6842BFS FCircuit operation (1) Hall input X output The 3-phase Hall signal is amplified in the hall amplifiers and sent to the matrix section, where the signal is further amplified and combined. After the signal is converted to a current in the amplitude control circuit, the current is supplied to the output driver, which then provides a motor drive current ...
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... Motor driver ICs BA6840BFS / BA6840BFP-Y / BA6840BFP / BA6842BFS FPin descriptions FInput / output circuits (1) Start / stop 528 (2) Reversing pin (3) Hall bias ...
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... Motor driver ICs BA6840BFS / BA6840BFP-Y / BA6840BFP / BA6842BFS (4) Torque control input ) * ) (6) Hall input ( FOperation notes (1) Start / stop The equivalent circuit of the start / stop pin is shown in Fig. 7. The pin has a temperature dependence of *7mV / _C, and the resistance can vary 30%. Take the temperature effect into consideration when designing your application ...
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... Motor driver ICs BA6840BFS / BA6840BFP-Y / BA6840BFP / BA6842BFS FApplication example 530 ...
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... Motor driver ICs BA6840BFS / BA6840BFP-Y / BA6840BFP / BA6842BFS FExternal dimensions (Units: mm) 531 ...