SC900841JVKR2 Freescale Semiconductor, SC900841JVKR2 Datasheet - Page 66

• 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

• The 900841 junction temperature is above the thermal
• A THERMTRIPB assertion. See
• A BATOCP detection. See BATOCP.
system, including its internal circuitry if V
occurs.
Power Button Functionality (PWRBTN)
resistor to the V
for more details. This guarantees the functionality of the
button when either power source available.
66
900841
FUNCTIONAL DEVICE OPERATION
POWER STATES AND CONTROL
Table 29. Power States Detection Thresholds
shutdown threshold. See
details.
more details.
The following causes the 900841 to power the entire
The Power button is pulled up internally through a 132 k
Input Voltage Rising Detection Threshold
Input Voltage Rising Detection Threshold Hysteresis
Battery Cutoff Threshold
(Depending on Battery Model)
Coin Cell Disconnect Threshold
Low Battery Threshold
Valid Battery Threshold
VPWR Rising Under-voltage Threshold
VPWR Falling Under-voltage Threshold
Figure 20. PWRBTN Circuit Diagram
COREDIG
PWRBTN
output voltage node. See
Characteristic
Thermal Management
V
COREDIG
THERMTRIPB Pin
132k
PWR
< V
PWRUVF
Figure 20
for more
for
V
DETECTION THRESHOLDS
between the different states:
RAWCHGDETHYS
V
RAWCHGDET
V
V
V
V
V
Symbol
Figure 21
Table 29
COINOFF
PWRUVR
LOWBAT
V
PWRUVF
BATOFF
TRKL
Figure 21. PWRBTN Function Flow Diagram
summarizes the various detection thresholds
describes the functionality of the PWRBTN:
Min
2.2
1.8
3.2
-
-
-
-
-
Analog Integrated Circuit Device Data
2.55
Typ
100
3.0
3.1
-
-
-
-
Freescale Semiconductor
Max
4.50
2.4
2.0
-
-
-
-
-
Unit
mV
V
V
V
V
V
V
V