TLS805x1 TLS810x1 Demoboard Application Note

TLS805x1/TLS810x1 Demoboard
(PG-DSO-8/PG-DSO-8 EP)
Product Manual
Application Note
Rev. 1.0, 2015-01-30
Automotive Power
TLS805x1/TLS810x1 Demoboard
Product Manual
Introduction
1
Introduction
The TLS805x1/TLS810x1 Demoboard (PG-DSO-8/PG-DSO-8 EP) is a demonstration of the Infineon ultra low
quiscent current linear voltage regulator family TLS805x1/TLS810x1 in PG-DSO-8 and PG-DSO-8 EP packages.
This application note contains information for usage of the TLS805x1/TLS810x1 Demoboard.
Table 1 provides an overview of the family members in PG-DSO-8 or PG-DSO-8 EP package.
Table 1
Family Overview (PG-DSO-8/PG-DSO-8 EP package)
Type
Output voltage
Output current
Enable
Reset
Package
TLS810D1EJV50
5.0 V
100 mA
Yes
Yes
PG-DSO-8 EP
TLS810C1EJV33
3.3 V
100 mA
No
Yes
PG-DSO-8 EP
TLS805B1SJV
Adjustable
50 mA
Yes
No
PG-DSO-8
1.1
General Description
The TLS805x1/TLS810x1 series is a family of linear voltage regulators with wide input voltage range, low drop out
voltage and ultra low quiescent current linear regulators.
With an input voltage range of 3 V to 42 V and ultra low quiescent of only 5-10 µA, the regulators are perfectly
suitable for automotive or any other supply systems connected permanently to the battery.
The TLS805x1/TLS810x1 series is available with fixed 5 V and 3.3 V output versions, as well as an adjustable
output voltage version with an accuracy of 2 % and maximum output current up to 50mA or 100mA.
The new regulation concept implemented in TLS805x1/TLS810x1 combines fast regulation and very good stability
while requiring only a small ceramic capacitor of 1 μF at the output.
The tracking region starts already at input voltages of 2.75 V (extended operating range). This makes the
TLS805x1/TLS810x1 regulators also suitable to supply automotive systems that need to operate during cranking
condition.
Internal protection features like output current limitation and overtemperature shutdown are implemented to
protect the device against immediate damage due to failures like output short circuit to GND, over-current and
over-temperature.
For more detailed information please see the Data Sheets of the device.
Application Note
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Rev. 1.0, 2015-01-30
TLS805x1/TLS810x1 Demoboard
Product Manual
Introduction
1.2
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•
•
•
•
•
•
•
•
•
•
•
TLS805x1/TLS810x1 Feature List
Ultra Low Quiescent Current of 5-10 µA
Wide Input Voltage Range of 2.75 V to 42 V
Output Current Capacity up to 50 mA1)/100 mA2)
Shutdown Current Less than 1 µA3)
Low Drop Out Voltage
Output Current Limit Protection
Overtemperature Shutdown
Enable3)
Reset4)
Wide Temperature Range
Green Product (RoHS compliant)
AEC Qualified
1.3
Block Diagram
Figure 1 shows the blockdiagram of TLS810D1 which represents the full feature version of a complete family of
regulators with several options in respect to output voltage, output current capability and feature set.
I
Q
Current
Limitation
RO
Reset
EN
Enable
Bandgap
Reference
Temperature
Shutdown
GND
Figure 1
1)
2)
3)
4)
D
Block Diagram of TLS810D1
TLS805B1SJV
TLS810D1EJV50, TLS810C1EJV33
TLS805B1SJV,TLS810D1EJV50
TLS810C1EJV50, TLS810D1EJV50
Application Note
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TLS805x1/TLS810x1 Demoboard
Product Manual
Demoboard
2
Demoboard
The TLS805x1/TLS810x1 Demoboard (PG-DSO-8/PG-DSO-8 EP) is available for all family members in PG-DSO8 or PG-DSO-8 EP package (see the device list in Table 1).
Figure 2 shows a TLS805x1/TLS810x1 Demoboard (PG-DSO-8/PG-DSO-8 EP) equipped with TLS810D1EJV50.
Figure 2
TLS805x1/TLS810x1 Demo Board (PG-DSO-8/PG-DSO-8 EP)
Application Note
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Rev. 1.0, 2015-01-30
TLS805x1/TLS810x1 Demoboard
Product Manual
Demoboard
2.1
Operating Conditions
To avoid any electrical damage of the Demoboard, the maximum operating range defined in Table 2 must be
followed.
Operating Range1)
Table 2
Parameter
Symbol
Board Supply
2)
VIN
Limit Values
Min.
Max.
0
45
3)
4)
Unit
Note
V
Power supply
Regulator Output
VOUT
0
7 /45
V
Regulated output voltage
Enable Signal
EN
0
455)
V
Enable signal to switch on the regulator
0
7
5)
V
Indication if reset occured
7
5)
V
Connecting the delay capacitor for reset
5)
V
Connecting the voltage devidor for
setting the output voltage
V
System GND
Reset Output Signal
Delay Capacitor Pin
Adjust Pin
6)
Ground
1)
2)
3)
4)
5)
6)
RO
D
0
ADJ
0
7
GND
0
0
The Demo Board operates at ambient temperature of 25°C.
Functional input voltage range starts from 2.75 V to 42 V.
Absolute max rating of fixed output voltage versions. Nominal output voltage depends on the voltage version.
Absolute max rating of the adjustable output voltage version.
Absolute max rating.
Used for adjustable output version only.
2.2
Board Configuration
The TLS805x1/TLS810x1 Demoboard can be easily configured via jumpers on the board. The board provides the
following configuration options:
•
•
•
•
•
•
•
•
Bypassing the reverse protection diode D2 via solder option SJ1
Connecting enable signal with the supply voltage VIN (JP_EN_VIN)
Selection of the enable pin (JP_EN)
Placeholder for additional input capacitor (C2)
Placeholder for additional output capacitor (C5)
Placeholder for external voltage divider for the adjustable output voltage variants (R1, R2)
Placeholder for pull up resistor on reset output signal (R3)
Placeholder for DSO-8 socket (S1) and corresponding input and output capacitors (C7, C8)
2.2.1
Enable Function
The jumper JP_EN_VIN can be used to connect the EN signal to the supply voltage VIN.
Table 3
Jumper JP_EN_VIN setting for enable function
JP_EN_VIN
Enable Function
set
EN is connected to the supply voltage VIN; the regulator is enabled while it is supplied
open
EN is supplied from external via connector EN (Banana jack)1)
1) Without suppling a signal to EN, the regulator is disabled because of an internal pull down resistor.
Application Note
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Rev. 1.0, 2015-01-30
TLS805x1/TLS810x1 Demoboard
Product Manual
Demoboard
The jumper JP_EN can be used to configure the enable pin occupancy.
Table 4
Jumper JP_EN setting for enable function
JP_EN
Enable Function
set to 1 - 2
EN signal is routed to pin 3 (default setting for TLS805x1/TLS810x1 family).
set to 2 - 3
EN signal is routed to pin 2 (for usage of compatible devices).
2.2.2
Signal Adaption
For easy signal adaption e.g. connecting probes for an oscilloscope, connectors CON1, CON2 and CON_GND
can be used.
Table 5
Signals on connector
Connector
Accessible Signals
CON1
- VIN (input voltage)
- EN (enable input signal)
- GND (ground)
CON2
- VOUT (output voltage)
- ADJ (adjust signal)
- RO (reset output signal)
- D (delay capacitor pin)
CON_GND
- GND
2.2.3
Output Voltage Adjust
The output voltage of the regulators with adjutable output voltage can be adjusted between 1.2 V and VI - Vdr by
an external resistor divider, connected to the adjust pin ADJ.
The output voltage can be easily calculated, neglecting the current flowing into the ADJ pin:
R1 + R2
V Q = ------------------- × V ref
R2
(2.1)
with
•
•
•
Vref: internal reference voltage, typically 1.2V
R1: resistor between regulator output Q and adjust pin ADJ
R2: resistor between adjust pin ADJ and GND
In oder to neglect the current flowing into the ADJ pin, the values of R1 and R2 should be selected fulfilling the
criteria R2 ≤ 250 kΩ.
To set the output voltage to 1.2 V, the adjust pin ADJ should be directly connected to the output pin Q.
On the Demoboard equipped with TLS805D1SJV, the R1 and R2 are mounted by default with the following values:
•
•
R1 = 470 kΩ
R2 = 150 kΩ
The nominal output voltage with the default resistor devider setting on the Demoboard is typ. 4.96 V.
Application Note
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Rev. 1.0, 2015-01-30
TLS805x1/TLS810x1 Demoboard
Product Manual
Schematic and Layout
3
Schematic and Layout
3.1
Schematic
Figure 3
Schematic of TLS805x1/TLS810x1 Demoboard (PG-DSO-8/PG-DSO-8 EP)
3.2
Layout
Figure 4
Top Layer of TLS805x1/TLS810x1 Demoboard (PG-DSO-8/PG-DSO-8 EP)
Application Note
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Rev. 1.0, 2015-01-30
TLS805x1/TLS810x1 Demoboard
Product Manual
Schematic and Layout
Figure 5
Bottom Layer of TLS805x1/TLS810x1 Demoboard (PG-DSO-8/PG-DSO-8 EP)
Figure 6
Top Layer components of TLS805x1/TLS810x1 Demoboard (PG-DSO-8/PG-DSO-8 EP)
Application Note
8
Rev. 1.0, 2015-01-30
TLS805x1/TLS810x1 Demoboard
Product Manual
Bill of Material
4
Bill of Material
Table 6
Bill of Material
Part
Value
Package
VIN
Banana jack
BABU4MM
VOUT
Banana jack
BABU4MM
EN
Banana jack
BABU4MM
D
Banana jack
BABU4MM
ADJ
Banana jack
BABU4MM
RO
Banana jack
BABU4MM
GND
Banana jack
BABU4MM
R1
n.a. / 470k
R0805
R2
n.a. / 150k
R0805
R3
n.a. (10k)
R0805
R4
n.a.
R0805
R5
n.a.
R0805
C1
100n/50V
C0805
C2
n.a. (4u7/50V)
C1206
C3
100u/50V
E5-8,5
C4
1u/16V
C0805
C5
n.a. (10u/16V)
C1206
C6
100n/16V
C0805
C7
n.a.
C0805
C8
n.a.
C0805
CON1
4 pin connector
CON2
4 pin connector
CON_GND
2 pin connector
JP_EN_VIN
jumper
JP_EN
jumper
SJ1
solder jumper
D1
SM4004
IC1
TLS805B1SJV / TLS810C1EJV50 / PG-DSO-8 / PG-DSO-8 EP
TLS810D1EJV50
S1
OTS-8(16)-1.27-01
Application Note
diode
9
OTS-16-1.27-03
Rev. 1.0, 2015-01-30
TLS805x1/TLS810x1 Demoboard
Product Manual
General Information
5
General Information
5.1
Restrictions
This Demoboard is offering limited features allowing you only to evaluate and test the Infineon products. The
Demoboard is not an end product (or finished appliance), nor is it intended or authorized by Infineon to be
integrated into end products. You are not authorized to use the Demoboard in any production system.
5.2
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Additional Information
For further information you may contact http://www.infineon.com/
5.3
Revision History
Revision
Date
Changes
1.0
2015-01-30
Initial version
Application Note
10
Rev. 1.0, 2015-01-30
Edition 2015-01-30
Published by
Infineon Technologies AG
81726 Munich, Germany
© 2015 Infineon Technologies AG
All Rights Reserved.
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