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Advanced Low Power Solutions
3A MicroSiP™ Power Module
TPS82085
Small – Efficient – Easy
TI Information – Selective Disclosure
1
Advanced Low Power Solutions
Using a Module….
• Reduces Engineering Time for Design & Test
• Increases Product Revenue and Profit by decreased Time to Market
• Saves Board Space through high power density
• Ease-to-Use Solution avoids design iterations and issues
TI Information – Selective Disclosure
2
Advanced Low Power Solutions
MicroSiP™ Integration
SIP
No externals
SIL
external Capacitors
Converter
external Inductor,
Capacitors
Controller
external FETs,
Inductor, Capacitors
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Advanced Low Power Solutions
TI’s Power SIL Modules
TPS82085
LMZ10503
LMZ20502
LMZ30604
3.0 x 2.8 x 1.3mm
10.2 x 13.8 x 4.6mm
3.5 x 3.5 x 1.7mm
11.2 x 9.2 x 2.9mm
IOUT = 3A
IOUT = 3A
IOUT = 2A
IOUT = 4A
VIN = 2.5 – 6.0V
VIN = 2.95 – 5.5V
VIN = 2.7 – 5.5V
VIN = 2.95 – 6.0V
VOUT = 0.8 – VIN
VOUT = 0.8 – 5.0V
VOUT = 0.8 – 3.6V
VOUT = 0.8 – 3.6V
IQ = 17µA
IQ = 1700µA
IQ = 72µA
IQ = n/a
TI Information – Selective Disclosure
4
TPS82085SIL (based on TPS62085)
3A Buck Converter with Integrated Inductor
MicroSiP package technology saves 45% PCB area
TI’s smallest 3A buck module (3.0 x 2.8 x 1.3mm SiL package with integrated inductor)
Device Solution = 62mm2
MicroSiP Solution = 35mm2
Input/Output capacitors: 0805 package, Resistors 0603 package
TI Information – Selective Disclosure
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TPS82085SIL (based on TPS62085)
Samples: now
RTM: April 2015
3A Buck Converter with Integrated Inductor
FEATURES
BENEFITS
• 3.0 x 2.8 x 1.3mm SiL package with integrated inductor
• Small, low profile solution for small form factor applications
• VIN = 2.5V to 6V / VOUT = 0.8V to VIN (adjustable)
• Easy to use, proven solution
• 100% Duty Cycle
• DCS-Control Topology maintains an accurate output voltage at
fast line and load transients plus a seamless transition
between PWM and power save mode
• 17µA Quiescent Current, 0.7µA Shutdown Current
• Up to 95% Efficiency
• DCS-Control™ Topology
• Power Save Mode for Light Load Efficiency
• 1% VREF accuracy
TOP
• Hiccup Short Circuit Protection
• Power Good Output plus Capacitor Discharge
• Integrated soft startup
Bottom
• -40°C to 125°C module operating temperature range
APPLICATIONS
• Easy to use Point of Load
• Storage / SSD
• Datacom / Networks
• Portable industrial and medical
TI Information – Selective Disclosure
6
TPS82085SIL (based on TPS62085)
3A Buck Converter with Integrated Inductor
Efficiency up to 95% extends battery operating time
and keeps the system cool
VOUT = 3.3V
TI Information – Selective Disclosure
VOUT = 1.8V
7
TPS82085SIL (based on TPS62085)
3A Buck Converter with Integrated Inductor
1% VREF accuracy, line/load regulation and
low output ripple for reliable supply operation
Load Regulation
Output Ripple in PWM
Line Regulation IOUT = 1A
Output Ripple in PSM
TI Information – Selective Disclosure
8
TPS82085SIL (based on TPS62085)
3A Buck Converter with Integrated Inductor
Good thermal performance keeps system cool
VIN = 3.3V, VOUT = 2.6V, IOUT = 3A, TA = 27ºC
VIN = 3.3V, VOUT = 2.6V, IOUT = 3A, TA = 85ºC
Thermal information by package simulation:
Theta Ja 64.3ºC/W (junction to ambient)
Psi Jt
0.4ºC/W (junction to top)
Psi Jb 27.7ºC/W (junction to board)
based JEDEC 51-5 PCB, 4 layers with 6 VIAs for exposed thermal pad, and total 0.85W power loss on the module
TI Information – Selective Disclosure
9
TPS82085SIL (based on TPS62085)
3A Buck Converter with Integrated Inductor
Fast transient response due to DCS-Control™
Load Sweep IOUT = 25mA to 3A
TI Information – Selective Disclosure
Load Transient IOUT = 25mA to 3A
10
TPS82085 vs Enpirion, MPS, Murata
TPS82085 has smaller solution size, higher accuracy and lower quiescent/shutdown currents
TI
TPS82085
Enpirion
EN6337
MPS
MPM3830
Murata
LXDC55KA
2.5V to 6.0V
2.5V to 6.6V
2.7V to 6.0V
2.7V to 5.5V
VOUT
0.8V to VIN
0.75 to VIN
0.6 to VIN
0.8V to 3.6V
IOUT
3A
3A
3A
3A
FSW
2.4 MHz
2.0 MHz
1.2 MHz
2.0 MHz
VREF accuracy
±1%
±3%
±1.5%
±2.5%
IQ
17µA
650µA
40µA
320µA
ISD
0.7µA
100µA
1µA
2µA
SON-8
3 x 2.8 x 1.3mm
QFN-39
4 x 7 x 1.85mm
QFN-20
3 x 5 x 1.6mm
LGA-14
5 x 5.7 x 2.1mm
4
6
4
3
Solution size
incl. L, CIN, COUT
35mm2
75mm2
38mm2
45mm2
Softstart
internal
external
internal
internal
Compensation
internal
external
internal
internal
yes
no
no
no
VIN
Package
Min. # external components
DCS-Control™ Topology
TI Information – Selective Disclosure
Module comparison
MicroSiP™ portfolio
TPS82085
TPS8267x
TPS8269x
TPS8268x
TPS82740
SIL
SIP
SIP
SIP
SIP
VIN
2.5V to 6.0V
2.3V to 4.8V
2.3V to 4.8V
2.5V to 5.5V
2.2V to 5.5V
VOUT
0.8V to VIN
(adjustable)
1.05V to 2.1V
(12 output
voltage options)
2.2V to 3.0V
(5 output
voltage options)
0.90V to 1.50V
(3 output
voltage options)
1.8V to 3.3V
(16 voltages
pin-selectable)
IOUT
3A
600mA
800mA
1600mA
200mA
Module size
2.8x3.0x1.3mm
+external Caps
2.3x2.9x1mm
2.3x2.9x1mm
2.3x2.9x1mm
2.3x2.9x1mm
Solution size
incl. L, CIN, COUT
35mm2
6.7mm2
6.7mm2
6.7mm2
6.7mm2
IQ
17µA
17µA
24µA
7mA
0.36µA
Efficiency
95%
90%
95%
88%
95%
SIP = integrated L
TI Information – Selective Disclosure
SIP = integrated CIN, COUT, L