LTC3588EDD-2#TRPBF Linear Technology, LTC3588EDD-2#TRPBF Datasheet - Page 13

• Manufacturer Part Number: LTC3588EDD-2#TRPBF
• Description: IC ENERGY HARVESTING PSU 10DFN
• Manufacturer: Linear Technology

Specifications of LTC3588EDD-2#TRPBF

• Applications: Energy Harvesting
• Current - Supply: 950nA
• Voltage - Supply: 2.7 V ~ 20 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

APPLICATIONS INFORMATION
Alternate Power Sources
The LTC3588-2 is not limited to use with piezoelectric ele-
ments but can accommodate a wide variety of input sources
depending on the type of ambient energy available. Figure 7
shows the LTC3588-2 internal bridge rectifi er connected
to the AC line in series with four 150k current limiting
resistors. This is a high voltage application and minimum
spacing between the line, neutral, and any high voltage
components should be maintained per the applicable UL
specifi cation. For general off-line applications refer to UL
regulation 1012.
Figure 8 shows an application where copper panels are
placed near a standard fl uorescent room light to capacitively
harvest energy from the electric fi eld around the light.
DANGER! HIGH VOLTAGE!
120VAC
60Hz
10μF
25V
150k
150k
5.0V
4.7μF
6V
150k
150k
1μF
6V
PGOOD1
10μF
6V
22μH
PZ1
V
CAP
V
D0
D1
IN
IN2
LTC3588-2
PZ1
PGOOD
SW
V
OUT
GND
LTC3588-2
PGOOD
GND
V
PZ2
OUT
SW
Figure 7. AC Line Powered 4.1V Li-Ion Battery Charger
Figure 6. Dual Rail Power Supply with Single Piezo
V
CAP
PZ2
V
22μH
IN2
PGOOD
D1
D0
IN
22μF
6V
ADVANCED CERAMETRICS
1μF
6V
4.7μF
6V
35882 F07
PFCB-W14
10μF
25V
Li-Ion
POWER
STREAM
LiR2450
120mAh
V
4.1V
OUT
10μF
25V
DANGEROUS AND LETHAL POTENTIALS ARE PRESENT IN OFFLINE CIRCUITS!
BEFORE PROCEEDING ANY FURTHER, THE READER IS WARNED THAT
CAUTION MUST BE USED IN THE CONSTRUCTION, TESTING AND USE OF
OFFLINE CIRCUITS. EXTREME CAUTION MUST BE USED IN WORKING WITH
AND MAKING CONNECTIONS TO THESE CIRCUITS. REPEAT: OFFLINE
CIRCUITS CONTAIN DANGEROUS, AC LINE-CONNECTED HIGH VOLTAGE
POTENTIALS. USE CAUTION. ALL TESTING PERFORMED ON AN OFFLINE
CIRCUIT MUST BE DONE WITH AN ISOLATION TRANSFORMER CONNECTED
BETWEEN THE OFFLINE CIRCUIT’S INPUT AND THE AC LINE. USERS AND
CONSTRUCTORS OF OFFLINE CIRCUITS MUST OBSERVE THIS PRECAUTION
WHEN CONNECTING TEST EQUIPMENT TO THE CIRCUIT TO AVOID ELECTRIC
SHOCK. REPEAT: AN ISOLATION TRANSFORMER MUST BE CONNECTED
BETWEEN THE CIRCUIT INPUT AND THE AC LINE IF ANY TEST EQUIPMENT IS
TO BE CONNECTED.
COPPER PANEL
10μF
25V
(12" 24")
4.7μF
6V
1μF
6V
Figure 8. Electric Field Energy Harvester
1μF
6V
4.7μF
6V
PZ1
V
CAP
V
D1
D0
IN
IN2
PANELS ARE PLACED 6"
FROM 2' 4' FLUORESCENT
LIGHT FIXTURES
LTC3588-2
PZ1
V
CAP
V
D1
D0
IN
IN2
GND
LTC3588-2
GND
PGOOD
V
PZ2
OUT
SW
PGOOD
V
PZ2
OUT
SW
22μH
PGOOD2
LTC3588-2
22μH
PGOOD
35882 F06
COPPER PANEL
(12" 24")
35882 F08
10μF
6V
3.45V
4.5V
10μF
6V
13
35882f