0.5MB

Ultra Low Power Buck Power Management IC
for Solar and Vibrations Energy Harvesting
MB39C811
Ultra Low Power Management,
For Battery-less Sensor Nodes
MB39C811 integrates dual full wave bridge rectifier with low loss high
efficiency buck convertor for energy harvesting, and provide complete
solution optimized for high output impedance energy sources such as
piezoelectric transducers.
MB39C811 has 8 preset output voltage as 1.5V, 1.8V, 2.5V, 3.3V, 3.6V,
4.1V, 4.5V and 5.0V and also covers the continuous output current up
to 100mA.
Item
Conditions
feature
· Input Quiescent Current:
1.5uA (Output in Regulation-No Load)
550nA (VIN=2.5V in UVLO)
· Integrated Dual Full Wave Bridge Rectifiers
· Input Voltage Range: 2.6V to 23V
· Preset Output Voltages:
1.5V, 1.8V, 2.5V, 3.3V, 3.6V, 4.1V, 4.5V, 5.0V
· Output Current: Up to 100mA
· Input Protective Shunt:
VIN21V, Up to 100mA Pull-Down
· Power good output signal at input and output
voltage
· QFN40: 6.0mm μ 6.0mm μ 0.85mm
(Pin pitch 0.5mm)
Min
Typ
Max
Unit
Input Voltage
VIN
2.6
—
23
V
Output Voltage Select
S[2:0]=0h-7h
1.5
—
5.0
V
VIN=2.5V(UVLO)
—
550
775
nA
VIN=4.5V(Sleep mode)
—
1.5
2.25
uA
VIN=18V(Sleep mode)
—
1.9
2.85
uA
-40
—
+85
°C
Quiescent Current
Operating Ambient Temperature
Ta
Note: Green IT Award is an Japanese Prize.
block diagram
· Piezoelectric
· Electret
· Piezoelectric
· Electret
AC1_1
AC1_1
VB
VB
DCGND1
AC1_2
· Photovoltanic
Cell
DCGND1
CVB
DCOUT1
AC2_1
LX
DCOUT1
VOUT
AC2_1
LX
L1
C OUT
DCGND2
VOUT
DCOUT2
DCOUT2
VIN
S0,S1,S2
C OUT
DC/DC
AC2_2
VOUT
C IN
L1
DCGND2
DC/DC
AC2_2
CVB
AC1_2
VOUT
GND
PGND
VIN
C IN
IPGOOD
OPGOOD
IPGOOD
S0,S1,S2
Selectable output voltage
GND
PGND
OPGOOD
Selectable output voltage
Power source: Power generator
from vibrations + solar-cells
Power source: Power generator
from vibrations
system diagram
Energy Source
Power Generation
Device
Light
Vibration
Thermal
Radio Wave
Solar Cells
Piezoelectric
Electromagnetic
Induction
PMIC
Sensing
& CPU
RF
MB39C811
(Buck)
Sensor
MCU
Memory
ZigBee GP
Bluetooth LE
2.4GHz,
920MHz
Cloud
Power Generation Part
application
or
Network
of
Mobile
Tablet PC
Control & Wireless Part
starter kit
Sensor
· Light Energy Harvesting
LCD
Memory
· Piezoelectric Energy Harvesting
· Electro-Mechanical Energy Harvesting
· Wireless HVAC Sensors
· Standalone Nanopower Buck Regulator
MB39C811
web design simulation service
URL: http://www.spansion.com/easydesignsim/
Contact Us: Nomura Shin-Yokohama Building, 2-10-23 Shin-Yokohama, Kohoku-Ku, Yokohama, Kanagawa,
222-0033, Japan | +81 45 473 6550
Spansion: 915 DeGuigne Drive, PO Box 3453, Sunnyvale, CA 94088-3453 USA
www.spansion.com
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LLC in the United States and other countries. Other names used are for informational purposes only and may be trademarks of their respective owners.
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AD405-00007-1v0-E, November 2013
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MCU:FM3
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