SC900841JVKR2 Freescale Semiconductor, SC900841JVKR2 Datasheet - Page 65
![IC POWER MGT 338-MAPBGA](/photos/39/29/392926/pbga338_sml.jpg)
SC900841JVKR2
Manufacturer Part Number
SC900841JVKR2
Description
IC POWER MGT 338-MAPBGA
Manufacturer
Freescale Semiconductor
Specifications of SC900841JVKR2
Applications
PC's, PDA's
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
338-TBGA
Input Voltage
2.8 V to 4.4 V
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Supply
-
Voltage - Supply
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SC900841JVKR2
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Analog Integrated Circuit Device Data
Freescale Semiconductor
10. The 900841 drives CPU selected voltage for VNN
12. VIDEN[1:0] is driven to 00 to avoid it switching from 10
13. NC drives the VCC boot VID on the VID pins. The
14. X86 Instruction Executions starts.
11. There will be no explicit signaling from the 900841 that
1. A turn on event as outlined above is detected
2. V
3. The 900841 internal circuits are powered
4. The 900841 turns on a minimal set of voltage rails as
5. SPI communication is ready
6. PMICINT pin is asserted
7. The system controller reads the 900841 interrupt flag
8. SC decides whether to boot the rest of the system, or
9. If SC decides to power up system, then CPU (central
outlined in
register (over SPI) to see why the 900841 interrupted
the Platform controller hub.
just run SC code to manage charger or other functions.
processing unit) drives VNN VID, VIDEN[1:0] = 10 to
the 900841 and BSEL to the Platform controller hub.
indicates that the VNN ramp has been complete.
to 01 directly.
VIDEN[1:0] = 1 enables, only after HPLL has locked.
PWR
ramps up
Battery or Brick Inserted
VPWR
VCCPAOAC
Figure 19
Figure 19. 900841 Initial Power Up Sequence
Table 28. SC900841 Initial Power Up Timing
Parameter
TURN OFF EVENTS
to power off the system, including the SCU. The 900841
internal circuitry and logic is still active:
• PWRBTN pressed for more than 5 seconds. See
Once in the active state, the following causes the 900841
Button Functionality
t
t
t
t
t
t
t
t
t
t
t
t
10
11
12
1
2
3
4
5
6
7
8
9
PMIC internal regulator Ramp-up
VAON/VCCPAOAC ramp-up
VAON/VCCPAOAC turn on
VPMIC turn on delay
V15 turn on delay
V21 turn on delay
VPMIC ramp-up
PMICINT delay
PWRGD delay
V15 Ramp-up
RESET delay
V21 ramp-up
Description
delay
(PWRBTN).
FUNCTIONAL DEVICE OPERATION
POWER STATES AND CONTROL
70 ms
1.0 μ s
31 μ s
0 μ s
0 μ s
0 μ s
0 μ s
Min
-
-
-
-
-
Typ
-
-
-
-
-
-
-
-
-
-
-
-
Power
900841
100 μ s
700 μ s
100 μ s
700 μ s
124 μ s
90 ms
31 μ s
10 μ s
31 μ s
31 μ s
31 μ s
31 μ s
Max
65
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