linearltc压电能量收集电源方案

Lin earLTC3588-1 压电能量收集电源方案
关键字：电源管理，能量收集器，DC/DC转换器
Lin ear公司的LTC3588-1是压电能量收集电源,集成了低噪音全波整流和高效降压转换器，组成完整的能量收集解决方案，最适合高输出阻抗的能量源如压电传感器•输入电压2.7V-20V,输出电流高达100mA可选输出电压1.8V,2.5V,3.3V 和 3.6V,可用于压电能量收集，电-机械能量收集，无线HVAC专感器,轮胎压里传感器遥控光幵关，毫微瓦降压稳压器.本文介绍LTC3588-1主要特性，方框图以及多种应用电路图，包括100mA压电能量收集电源电路图，最小尺寸的1.8V低压输入压电能量收集电源电路图，电场能量和热电能量收集器电路图等•
LTC3588-1:PiezoelectricE nergyHarvesti ngPowerSupply
TheLTC.3588-1i ntegratesalow-lossfull- wavebridgerectifierwithahighefficie ncybuckc on vertertoformacompletee nergy harvesti ngsoluti ono ptimizedforhighoutputimpeda ncee nergysourcessuchaspiez oelectrictra nsducers.A nultralowquiesce ntcurre ntun dervoltagelockout(UVLO) modewithawidehysteresiswi ndowallowschargetoaccumulate onanin putcapacitoru n tilthebuckc on verterca nefficie ntlytra nsferaportio no fthestoredchargetothe output.I nregulatio n,theLTC3588-
1en tersasleepstate in whichboth in puta ndoutputquiesce ntcurre ntsare mini mal.T hebuckc on vertertur nsonan doffas neededtoma intain regulati on.
Fouroutputvoltages,1.8V,2.5V,3.3Va nd3.6V,arepi nselectablewithupto100m Aofcontinu ousoutputcurre nt;however,theoutputcapacitormaybesizedtoservice ahigheroutputcurre ntburst.A nin putprotectivesh un tsetat20Ve nablesgreatere n ergystorageforagive namoun tofi nputcapacita nee.
LTC3588-1主要特性:
—NoLoad) 950nAln putQuiesce ntCurre nt(Outputi nRegulatio n
450nAI nputQuiesce ntCurre nti nUVLO
2.7Vto20VI nputOperati ngRa nge
In tegratedLow-LossFull-WaveBridgeRectifier
UptolOOmAofOutputCurre nt SelectableOutputVoltagesof1.8V,2.5V,3.3V,3.6V
HighEfficie ncyl ntegratedHystereticBuckDC/DC
In putProtectiveShu nt —Upto25mAPull-Do wn atVIN> 20V WideI nputU ndervoltageLockout(UVLO)Ra nge
Availablei n10-LeadMSEa nd3mmx3mmDFNPackages
LTC3588-1 应用:
PiezoelectricE nergyHarvesti ng
Electro-Mecha nicalE nergyHarvesti ng
WirelessHVACSe nsors MobileAssetTracki ng
TirePressureSe nsors BatteryReplaceme ntforl ndustrialSe nsors RemoteLightSwitches
Stan dal on eNa nopowerBuckRegulator
著一m
函1.LTC3588
匕
8
斎
函」
s
m A
pieicE
一鱼
S-rrl n E a y
Haw
邕
?
壬
『
OCT
函 2.L T C
3588—l 00m A te [>^K *t >[>M
函
i
图3.LTC3588-13.3V 压电能量收集电源电路图:给带无线发送器的微处理器和 50mA 瞬态负载供电.
P 旧电 SYSTEMS T220-.M*^3X
_IDI —
图4.最小尺寸的1.8V 低压输入压电能量收集电源电路图
'h {OPTIONAL}
VlH PGCXJD
V||Q LTCK3B-1
CAP
sw D3 Vouf
DO
1O|1F
pre
PGOOO
LTC3588-1
$w
^bur
、蟻
bl 1帕
&0
PIEZO STS T230-A4-M3X
Ttz
u
=1=
T1
-q —刖
M|lF &v
Pfl
PZ? KWCW
*|h
UC358B-1
.B . ¥IIE ■aiii
DI
&3
GND
—
■ JU -
10UH
I J-111F
T2L
i 卯
—r- ?5V I -------
1±
图5.采用单个压电晶体和自动加电次序的双电源电路图
i
MU 比4优罚TW
IflUH
VOUT
ipF 6V
—r^Ev
1O0^
亠*髦"F "T BY
r
1OyF
25V I ---------------
-47|f
图6.带备份电池的压电能量收集器电路图
图7.AC 火线供电的3.6V 降压稳压器,大输出电容支持重负载
PANELS ARE PLACED G b
FROM T x4' FLUQRfSCFFJT LiflHT FIXTURES
GOPPtR 用MEL
(情綁刊
I
DANGER! HIGH VOLTAGE'
COPPER PA 忡EL
(12* x 24f \
—F*GOOD
PGOQD
9V ' BAntHV
P1E2O SVSTEMS T2SOW-503X
P21
p 竝
VlH
PGOOD
ITG33A8-1
CAP SW
V|W2
Van
00
P22
GHD
PGOOD
PZ2
PGOOD
lTCJ5B8-t
sw
V,-,-
vgyr
□ l
DO RND
5
p7?
v-i
PGOOD
LTO5^0-1
GAP
5W
%
V QUT
Bl
I (X JH
J —*1O^F "T" SV
图8.电场能量收集器电路图
St _L5VT0 f6V
•…SOUR PANfL rao5M4X&Frr
IP
F
■VvV
T BATTERY
II
%PiJOOD
LTG3W1
GAP SW
y IV3V CVT
00
01GND
i
PG3OD
5* 2.7V 蚀F
X5V NESS SUPER W^ACITOR
_ £5HSR-ODa30O^M2fl7
图9.5-16V太阳能供电的2.5V电源,其超大电容增加输出能量存储和备份电池IPG-1 THERMAL
I GEMERATOR
Mi 61-1,0-127-1.27
I (TELLUflEX)
—5,4V
H
工
工
工
[---------
1
P22
%卩GOOD
UC3506-1
CAP
畑V OUT
DO
01GUO
跡
47pF
2.5V
图10.热电能量收集器电路图。