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MAX77651EWVT Datasheet(PDF) 48 Page - Maxim Integrated Products

Part # MAX77651EWVT
Description  Ultra-Low Power PMIC with 3-Output SIMO and Power Path Charger for Small Li
PDF  82 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX77651EWVT Datasheet(HTML) 48 Page - Maxim Integrated Products

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Figure 7. Startup Timing Diagram Due to nEN
VSYS
BATTERY
INSERTION
tPOR~100µs
POR
NO POWER
STANDBY
nEN
tDBNC_nEN
POWER-UP SEQUENCE
REGULATORS
nRST
PWR_HLD
tPWR_HLD_WAIT
ON THROUGH ON/OFF
CONTROLLER
PWR_HLD?
tEN
tEN
NOTES:
1 – nEN LOGIC INPUT IS CONFIGURED TO PUSH-BUTTON MODE AND HAS AN EXTERNAL PULLUP TO SYS.
2 – nEN ASSERTION RESULTS IN A WAKE-UP EVEN AFTER A DEBOUNCE TIME (tDBNCEN).
3 – INTERNAL WAKE-UP SIGNAL CAN ALSO BE GENERATED BY CHARGER PLUG-IN EVENT.
4 – nIRQ HAS AN EXTERNAL PULLUP TO VIO WHICH IS ENABLED IN FLEXIBLE POWER SEQUENCER SLOT #1
5 – SYSTEM PROCESSOR ASSERTS PWR_HLD INPUT TO PLACE THE DEVICE IN THE ON THROUGH ON/OFF CONTROLLER STATE.
6 – AS PART OF ITS INITIALIZATION ROUTINE, SOFTWARE READS THE INTERRUPT REGISTERS (CLEAR ON READ) AND PROGRAMS THE INTERRUPT MASKS AS DESIRED.
NOT DRAWN TO SCALE
VPOR~1.9V
NOTE
5
NOTE 2
STATE
BIAS EN
(INTERNAL)
tDBNC_nEN
nIRQ
SYSTEM
SOFTWARE
STAT_EN
tRSTODD
FPS0
FPS1
FPS2
tEN
FPS3
INTERNAL WAKE-UP
SIGNAL NOTE 3
NOTE 1
NOTE 4
nEN_F
nEN_R
NOTE
6
tSBIA_EN
www.maximintegrated.com
Maxim Integrated │ 48
MAX77650/MAX77651
Ultra-Low Power PMIC with 3-Output SIMO
and Power Path Charger for Small Li+



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