STM6601 STMicroelectronics, STM6601 Datasheet - Page 5
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STM6601
Manufacturer Part Number
STM6601
Description
Smart push-button on/off controller with Smart ResetTM and power-on lockout
Manufacturer
STMicroelectronics
Datasheet
1.STM6600.pdf
(52 pages)
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STM6600 - STM6601
1
Figure 1.
1. A resistor is required for open drain output type only. A 10 kΩ pull-up is sufficient in most applications.
2. Capacitor C
3. For the STM6601 the processor has to confirm the proper power-on during the fixed time period, t
feature prevents the user from turning on the system when there is a faulty power switch or an unresponsive
microprocessor.
REF
Description
The STM6600-01 devices monitor the state of connected push-button(s) as well as sufficient
supply voltage. An enable output controls power for the application through the MOSFET
transistor, DC-DC converter, regulator, etc. If the supply voltage is above a precise voltage
threshold, the enable output can be asserted by a simple press of the button. Factory-
selectable supply voltage thresholds are determined by highly accurate and temperature-
compensated references. An interrupt is asserted by pressing the push-button during
normal operation and can be used to request a system power-down. The interrupt is also
asserted if undervoltage is detected. By a long push of one button (PB) or two buttons (PB
and SR) either a reset is asserted or power for the application is disabled depending on the
option used.
The device also offers additional features such as precise 1.5 V voltage reference with very
tight accuracy of 1%, separate output indicating undervoltage detection and separate output
for distinguishing between interrupt by push-button or undervoltage.
The device consumes very low current of 6 µA during normal operation and only 0.6 µA
current during standby.
The STM6600-01 is available in the TDFN12 package and is offered in several options
among features such as selectable threshold, hysteresis, timeouts, output types, etc. (see
Table 8
Application hookup
is mandatory on V
and
Table 9
REF
for more information).
output (even if V
Doc ID 15453 Rev 10
REF
is not used). Capacitor value of 1 µF is recommended.
ON_BLANK
. This failsafe
Description
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