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深圳市七悅科技有限公司,專注磁控霍爾元件的研發和銷售。
深圳七悅科技為你優選海量完整的MA7022發光玩具霍爾開關MA7022AA,支持上海在線實時詢價。
MA7022/B屬于高耐壓高溫雙極鎖存霍爾開關,適用于流量計計數,無刷電機換相,筋膜槍,直流風扇電機換相。
MA7022/B is an integrated Hall-Effect latch sensor with pull-up resistor designed for electronic commutation of b-less DC motor applications. The device is using HV BCD process includes an on-chip Hall voltage generator for magnetic sensing, a comparator that amplifies the Hall voltage, and a Schmitt trigger to provide switching hysteresis for noise rejection, and open-collector output. An internal band-gap regulator is used to provide temperature compensated supply voltage for internal circuits and allows a wide operating supply range.
If a magnetic flux density larger than threshold Bop, OUT is turned on(low). The output state is held until a magnetic flux density reversal falls below Brp causing OUT to be turned off (high)
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