SC900841JVKR2 Freescale Semiconductor, SC900841JVKR2 Datasheet - Page 70

• 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

• Loss-Less Output Current Sensing with over-current
• Uses internal compensation
• Gate drive circuits are supplied directly from VPWR
VCC Status/Control Registers and Bits Description
default state for each of these registers.
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900841
Table 31. VCC Status Registers Structure and Bits Description
FUNCTIONAL DEVICE OPERATION
POWER SUPPLIES
AOACCTLVCC 5:3
protection
Reference the register map for read/write conditions and
DVP1VRD
Reserved
CTLVCC
VIDVCC
Name
Bits
2:0
7:6
6:0
7
VCC State Control
x0 = Reserved
x1 = Reserved
x2 = Reserved
x3 = Reserved
VCC State Control during AOAC Exit (when Exit pin is EXITSTBY pin is asserted). These bits will be initialized by the
system SPI controller after power up.
X0 = Do not copy
x1 = Do not copy
x2 = Do not copy
x3 = Do not copy
Reserved
VID VCC Control Through SPI. Signal codes are identical to the VID signal codes. Reference
details
VCC Register override enable bit.
X0 = VCC VID control follows the external pins
x1 = VCC VID control follows the VIDVCC control register bits
VCCLATCH (ADDR 0X32 - R/W - Default value: 0x7F)
VCCCNT (ADDR 0x35 - R/W - Default Value: 0x24)
Figure 24. VCC Efficiency Curve
Efficiency Curves
PWM mode, based on the recommended external
component values and typical output voltage of 1.2 V. 3.0 V
≤ VPWR ≤ 4.4 V.
Description
The efficiency curves in
x4 = OFF
x5 = PFM
x6 = Automatic Pulse Skipping
x7 = PWM
x4 = OFF
x5 = PFM
x6 = Automatic Pulse Skipping
x7 = PWM
Analog Integrated Circuit Device Data
Figure 24
Freescale Semiconductor
are calculated under
Figures 15
for more