STM6601CU2BDM6E 查看數據表（PDF） - STMicroelectronics

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STM6601CU2BDM6E

Smart push-button on/off controller with Smart Reset™ and power-on lockout

STMicroelectronics 

STM6600 - STM6601

Waveforms

Figure 10. Unsuccessful power-up on STM6600 (tON_BLANK expires prior to PB release)

Push-button pressed and

PB connected to GND

tON_BLANK expired prior to PB release

PSHOLD state detected as low

EN is deasserted

PB released

PB (1)

PSHOLD(2)

VCC undervoltage detection ignored

PSHOLD

ignored

internal pull-down resistor connected to

PSHOLD input

PB status

ignored

EN(3)

RST

tDEBOUNCE

tREC

tON_BLANK

tEN_OFF

Note: INT signal is held high during power-up (i.e. until tON_BLANK expires in this case).

VCC is considered VCC > VTH+.

1. PB detection on falling and rising edges.

2. Internal pull-down resistor 300 kΩ is connected to PSHOLD input during power-up.

3. tON_BLANK expires prior to PB release so PSHOLD is checked at its expiration.

AM00248bv2

Doc ID 15453 Rev 7

17/51

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