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STW4811NBRA/LF

Description
Power management for multimedia processors
CategoryPower/power management    The power supply circuit   
File Size1009KB,85 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
Environmental Compliance
Download Datasheet Parametric View All

STW4811NBRA/LF Overview

Power management for multimedia processors

STW4811NBRA/LF Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerSTMicroelectronics
Parts packaging codeBGA
package instruction4.60 X 4.60 MM, 1 MM HEIGHT, 0.40 MM PITCH, ROHS COMPLIANT, VFBGA-84
Contacts84
Reach Compliance Codecompli
ECCN codeEAR99
Adjustable thresholdYES
Analog Integrated Circuits - Other TypesPOWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 codeS-PBGA-B84
length4.6 mm
Number of channels1
Number of functions1
Number of terminals84
Maximum operating temperature85 °C
Minimum operating temperature-30 °C
Package body materialPLASTIC/EPOXY
encapsulated codeVFBGA
Encapsulate equivalent codeBGA84,10X10,16
Package shapeSQUARE
Package formGRID ARRAY, VERY THIN PROFILE, FINE PITCH
Peak Reflow Temperature (Celsius)260
power supply3/4.5 V
Certification statusNot Qualified
Maximum seat height0.864 mm
Maximum supply current (Isup)0.25 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)2.7 V
Nominal supply voltage (Vsup)3.6 V
surface mountYES
technologyCMOS
Temperature levelOTHER
Terminal formBALL
Terminal pitch0.4 mm
Terminal locationBOTTOM
Maximum time at peak reflow temperature40
width4.6 mm
STw4811M
STw4811N
Power management for multimedia processors
Features
2 step-down converters
– 1 to 1.45 V with 15 steps at 700 mA
– 1.8 V at 600 mA for general purpose usage
3 low-drop output regulators for different uses
– PLL analog supplies:
1.05 V, 1.2 V, 1.3 V 1.8 V - 10 mA
– Processor analog functions:
2.5 V - 10 mA
– Auxiliary device:
1.5 V, 1.8V , 2.5 V, 2.8 V - 150 mA
USB OTG module
– Full and low speed USB OTG transceiver
– Charge-pump (5 V, 100 mA) for USB cable
Mass memory cards (SD/MMC/SDIO)
– 1 linear regulator: 1.8 V, 1.85 V, 2.6 V,
2.7 V, 2.85 V, 3 V, 3.3 V - 150 mA
– Level shifter
Miscellaneous
– 32 kHz control for multimedia processor
– Processor supply monitoring
– Processor reset control
– 2 serial I2C interfaces
STw4811
TFBGA 84
6x6x1.2mm
0.5mm pitch
STw4811
VFBGA 84
4.6x4.6x1.0mm
0.4mm pitch
Description
STw4811 is a power management companion
chip for multimedia processors used in portable
applications. It supplies the multimedia processor
including its memories and peripherals. STw4811
supports the main mass memory standard cards.
SDIO
TM
is also supported and allows to connect
multimedia peripherals like cameras.
Applications
ST Nomadik
TM
STn881x
Multimedia processor
Mobile phones, PDA, videophone
June 2010
CD00131784 Rev 4
1/85
www.stnwireless.com
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