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| ATA6264 Datasheet, PDF (19/83 Pages) ATMEL Corporation – Airbag Power Supply IC | |||
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Figure 6-2. Block Diagram Power Supply Sequencing
ATA6264 [Preliminary]
VK15 = 3V to 4.15V
(40 mV to 175mV Hysteresis)
Serial interface
(KEY - LATCH)
K15GOOD
Comp
VK30 = 3.85V to 5V
(50 mV to 150 mV Hysteresis)
K30GOOD
Comp
VK30 = 6.1V to 8.1V (ON)
(0.5V to 1V Hysteresis)
CORESWAP
5V
Comp
VEVZ = 7.5V to 9V (ON)
VEVZ = 5.5V to 6.2V (OFF)
EVZGOOD
Comp
VSAT = 6.77V to 7.2V
(200 mV to 500 mV Hysteresis)
VSATGOOD
Comp
VEVZ
IREF lost
signal
EVZEN
IP
VK30
VEVZ
driver
VCP
VSAT
driver
K15
K30
CP
VCP
GEVZ
EVZ
SVSAT
VEVZ
VEVZ
VSAT
VVSAT
IP
VPERI
driver
SVPER
VVPERI
VPERI
Delta
< 2.8V
VCORE - Regulator
SVCORE
VCORE
VVCORE
19
4929BâAUTOâ01/07
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