VEML6035
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Vishay Semiconductors
Low Power, High Sensitivity, I2C Ambient Light Sensor
FEATURES
• Package type: surface-mount
• Dimensions (L x W x H in mm): 2.0 x 2.0 x 0.4
• Integrated modules: ambient light sensor (ALS)
• Supply voltage range VDD: 1.7 V to 3.6 V
• Communication via I2C interface
• I2C bus H-level range: 1.7 V to 3.6 V
• Floor life: 168 h, MSL 3, according to J-STD-020
• Low stand by current consumption: typ. 0.5 μA
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
APPLICATIONS
DESCRIPTION
• Ambient light sensor for mobile devices (e.g. smart
phones, touch phones, PDA, GPS) for backlight dimming
even under tinted glass
VEML6035 is a 16-bit low power, high sensitivity CMOS
ambient light sensor operated via a simple I2C command.
The sensor offers an active interruption feature that is
triggered outside of the threshold window settings
eliminating loading on the host. Active average power
consumption is around 300 μW.
• Ambient light sensor for industrial on- / off-lighting
operation
• Optical switch for consumer, computing, and industrial
devices and displays
VEML6035 incorporates a photodiode, amplifiers, and
analog / digital circuits in a single chip. Vishay’s patented
FiltronTM technology, a wafer level optical filter, provides
the best spectral sensitivity to match human eye responses.
The sensor has excellent temperature compensation to
maintain output stability under changing temperature and its
refresh rate setting does not need an external RC low pass
filter. There is a programmable shutdown mode which
reduces current consumption to 0.5 μA. Operating voltage
ranges from 1.7 V to 3.6 V.
AMBIENT LIGHT FUNCTION
• High ALS sensitivity with minimum detectable intensity of
0.0004 lux/bit supports low transmittance lens design
• 100 Hz and 120 Hz flicker noise rejection
• Excellent temperature compensation
• High dynamic detection resolution
INTERRUPT FEATURE (INT) SUPPORT
Programmable interrupt function with upper and lower
thresholds. Adjustable persistence to prevent false triggers.
PRODUCT SUMMARY
PART NUMBER
VEML6035
OPERATING
VOLTAGE
RANGE
(V)
I2C BUS
VOLTAGE
RANGE
(V)
AMBIENT LIGHT
RANGE
(lx)
AMBIENT LIGHT
RESOLUTION
(lx)
OUTPUT
CODE
ADC RESOLUTION
PROXIMITY /
AMBIENT LIGHT
1.7 to 3.6
1.7 to 3.6
6710
0.0004
16 bit, I2C
- / 0.0004
ORDERING INFORMATION
ORDERING CODE
PACKAGING
VOLUME (1)
REMARKS
VEML6035
Tape and reel
MOQ: 3000
2.0 mm x 2.0 mm x 0.4 mm
Note
(1) MOQ: minimum order quantity
Rev. 1.2, 26-Nov-2019
Document Number: 84889
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ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
SYMBOL
MIN.
MAX.
UNIT
Supply voltage
TEST CONDITION
VDD
0
4
V
Operation temperature range
Tamb
-25
+85
°C
Storage temperature range
Tstg
-25
+85
°C
Ptot
-
50
mW
Tj
-
85
°C
Tamb ≤ 25 °C
Total power dissipation
Junction temperature
BASIC CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
SYMBOL
MIN.
TYP.
MAX.
VDD
1.7
1.8
3.6
V
VDD = 1.8 V
Isd
-
0.5
-
μA
VDD = 1.8 V, CHANNEL_EN = 0 (ALS only)
IDD
-
170
-
μA
VDD = 1.8 V, CHANNEL_EN = 0 (ALS only),
PSM = 1 = EN (5)
IDD
-
90
-
μA
VDD = 1.8 V, CHANNEL_EN = 1
(ALS and WHITE)
IDD
-
225
-
μA
fSCL
10
-
400
kHz
Vih
1.2
-
VDD
V
VDD = 1.8 V
Vil
0
-
0.4
V
3 mA sink current
Vol
0
-
0.4
V
-
0.0004
-
lx/step
lx
Supply voltage
Shut down current (2)
Operation mode current (1)
I2C clock rate range
I2C bus input H-level range
I2C
VDD = 1.8 V
bus input L-level range
Output low voltage SDA
Digital resolution (LSB count)
With GAIN = 1, DG = 1, SENS = 0
UNIT
Detectable minimum illuminance (3)
With GAIN = 1, DG = 1, SENS = 0
EV min.
-
0.004
-
Detectable maximum illuminance
With GAIN = 0, DG = 0, SENS = 1
EV max.
-
6710
-
lx
Dark offset (4)
With GAIN = 1, DG = 1, SENS = 0
-
-
5
step
Notes
(1) Light source: white LED
(2) Light conditions: dark
(3) The part has a typical zero offset of 10 counts at the set max. resolution of 0.0004lx/step, so the first valid measurement will be at an
illuminance of 0.004lx (typ.)
(4) The dark offset can be above or below 0
(5) IT =100 ms, PSM_WAIT = 3.2 s
CIRCUIT BLOCK DIAGRAM
VDD
Temperature
compensation
SCL
Low pass filter
Timing
controller
Output
buffer
with
I2C interface
SDA
INT
Oscillator
GND
Fig. 1 - Block Diagram
Rev. 1.2, 26-Nov-2019
Document Number: 84889
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I2C TIMING CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
SYMBOL
Clock frequency
STANDARD MODE (1)
MIN.
MAX.
f(SMBCLK)
10
t(BUF)
4.7
t(HDSTA)
Repeated start condition setup time
Stop condition setup time
Data hold time
Data setup time
I2C clock (SCK) low period
I2C clock (SCK) high period
UNIT
MAX.
100
10
400
kHz
-
1.3
-
μs
4.0
-
0.6
-
μs
t(SUSTA)
4.7
-
0.6
-
μs
t(SUSTO)
4.0
-
0.6
-
μs
t(HDDAT)
0
3450
0
900
ns
t(SUDAT)
250
-
100
-
ns
t(LOW)
4.7
-
1.3
-
μs
Bus free time between start and stop condition
Hold time after (repeated) start condition;
after this period, the first clock is generated
FAST MODE (1)
MIN.
t(HIGH)
4.0
-
0.6
-
μs
t(TIMEOUT)
25
35
-
-
ms
Clock / data fall time
t(F)
-
300
-
300
ns
Clock / data rise time
t(R)
-
1000
-
300
ns
Detect clock / data low timeout
Note
(1) Data based on standard I2C protocol requirement, not tested in production
t(LOW)
I2C bus
clock
(SLCK)
t(R)
t(F)
VIH
VIL
t(HDSTA)
t(HIGH)
t(SUSTA)
t(SUSTO)
t(BUF)
t(HDDAT)
I2C bus
data
(SDAT)
t(SUDAT)
VIH
Start
{
S
Start condition
{
P
Stop condition
{
{
VIL
S
P
Stop
t(LOSEXT)
SCLKACK
t(LOWMEXT)
SDAACK
t(LOWMEXT)
t(LOWMEXT)
I2C bus
clock
(SLCK)
I2C bus
data
(SDAT)
Fig. 2 - I2C Timing Diagram
Rev. 1.2, 26-Nov-2019
Document Number: 84889
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PARAMETER TIMING INFORMATION
I2C bus
clock
(SCLK)
I2C bus
data
(SDAT)
SA7
SA6
SA5
SA4
SA3
SA2
SA1
SA7
W
SA6
SA5
SA4
SA3
SA2
SA1
SA0
ACK
Start by
master
ACK
I2C bus slave address byte
Command code
I2C bus
clock
(SCLK)
I2C bus
data
(SDAT)
SA7
SA6
SA5
SA4
SA3
SA2
SA1
SA0
SA6
SA7
SA5
SA4
SA3
SA2
SA1
SA0
ACK
ACK
Data byte low
Stop by
master
Data byte high
Fig. 3 - I2C Bus Timing for Sending Word Command Format
I2C bus
clock
(SCLK)
I2C bus
data
(SDAT)
SA7
SA6
SA5
SA4
SA3
SA2
SA1
SA7
W
SA6
SA5
SA4
SA3
SA2
SA1
SA0
ACK
Start by
master
ACK
I2C bus slave address byte
Command code
I2C bus
clock
(SCLK)
I2C bus
data
(SDAT)
SA7
SA6
SA5
SA4
SA3
SA2
R
SA1
SA7
SA6
SA5
SA4
SA3
ACK
Start by
master
SA2
SA1
SA0
ACK by
master
I2C bus slave address byte
Data byte low
I2C bus
clock
(SCLK)
I2C bus
data
(SDAT)
SA7
SA6
SA5
SA4
SA3
SA2
SA1
SA0
NACK by
master
Stop by
master
Data byte high
Fig. 4 - I2C Bus Timing for Receive Word Command Format
Rev. 1.2, 26-Nov-2019
Document Number: 84889
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Relative Responsivity (%)
BASIC CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
120
350
100
300
ALS and WHITE channel
250
IDD (μA)
80
60
V(λ)
40
200
ALS channel only
150
100
20
50
VEML6035
0
0
400
500
600
700
900 1000 1100
800
-40
-20
0
λ - Wavelength (nm)
60
80
100
Fig. 8 - IDD vs. Temperature Characteristics
1.25
Relative ALS Channel Counts
120
100
Relative Responsivity (%)
40
Temperature (°C)
Fig. 5 - Normalized ALS Channel Spectral Response
80
60
40
20
400
500
600
700
800
900
1000
λ - Wavelength (nm)
1.10
1.05
1.00
0.95
0.90
0.85
0
20
40
60
80
Fig. 9 - Normalized ALS Counts vs. Temperature
40°
0.8
0.7
60°
0.6
ϕ - Angular Displacement
20°
1.0
0.9
1.15
Temperature (°C)
Fig. 6 - Normalized WHITE Channel Spectral Response
0°
1.20
0.80
-20
0
Srel - Relative Sensitivity
20
80°
0.5 0.4 0.3 0.2 0.1 0
22308
Fig. 7 - View Angle
Rev. 1.2, 26-Nov-2019
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APPLICATION INFORMATION
VEML6035 is a cost effective solution of ambient light sensor with I2C bus interface. The standard serial digital interface is easy
to access “Ambient Light Signal” without complex calculation and programming by external controller. Beside the digital output
also a flexible programmable interrupt pin is available.
1. Application Circuit
1.7 V to 3.6 V
R1
R2
R3
GND (1)
1.7 V to 3.6 V
R4
C1
10R
C2
VDD (6)
10 μF 100 nF
Host
micro controller
VEML6035
C1 and R4 are optional
for very disturbed supply
SDA (2)
I2C bus data SDA
SCL (5)
I2C bus clock SCL
GPIO (interrupt)
INT (3)
NC (4)
Fig. 10 - Application Circuit
(x) = Pin Number
Note
• The interrupt pin is an open drain output. Proposed values for the pull-up resistors should be > 1 kΩ, e.g. 2.2 kΩ to 4.7 kΩ for the R1 and
R2 (at SDA and SCL) and 10 kΩ to 100 kΩ for R3 (at interrupt). Normally just one decoupling capacitor is needed. This should be ≥ 100 nF
and placed close to the VDD pin. For detailed description about set-up and use of the interrupt as well as more application related information
see application note: “Designing VEML6035 Into an Application” (www.vishay.com/doc?84944)
2. I2C Interface
The VEML6035 contains actual six 16 bit command codes for operation control, parameter setup, and result buffering. All
registers are accessible via I2C communication. Fig. 7 shows the basic I2C communication with VEML6035. The built in I2C
interface is compatible with I2C modes “standard” and “fast”: 10 kHz to 400 kHz. I2C H-level range = 1.3 V to 3.6 V. Please refer
to the I2C specification from NXP for details.
Write protocol → write command to VEML6035
1
7
1
1
8
1
8
1
8
1
1
S
Slave address
Wr
A
Command code
A
Data LSB
A
Data MSB
A
P
Read protocol → read data from VEML6035
1
7
1
1
8
1
1
7
1
1
8
1
8
1
1
S
Slave address
Wr
A
Command code
A
S
Slave address
Rd
A
Data LSB
A
Data MSB
N
P
S = start condition
P = stop condition
A = acknowledge
N = no acknowledge
Host action
VEML6035 response
Fig. 11 - VEML6035 Command Protocol
Device Address
The VEML6035 has one fix slave address for the host programming and accessing selection. The predefined 7 bit I2C bus
address is set to 0101001 = 0x29. The least significant bit (LSB) defines read or write mode. Accordingly the bus address is set
to 0101 0010 = 52h for write and 0101 0011 = 53h for read.
Auto-Memorization
VEML6035 can memorize the last ambient data before shutdown and keep this data before waking up. When VEML6035 is in
shutdown mode, the host can freely read this data via read command directly. When VEML6035 wakes up, the data will be
refreshed by new detection.
Rev. 1.2, 26-Nov-2019
Document Number: 84889
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Command Register Format
There are 6 command codes provided by VEML6035. Formats of these command code and registers’ definition explanations
are shown in below table.
COMMAND REGISTER FORMAT
COMMAND CODE
REGISTER
NAME
BIT
00
ALS_CONF 0
15 : 0
ALS gain, integration time, interrupt, and shut down
R/W
WH
15 : 8
High threshold window setting (MSB)
R/W
WH
7:0
High threshold window setting (LSB)
R/W
WL
15 : 8
Low threshold window setting (MSB)
R/W
WL
7:0
Low threshold window setting (LSB)
R/W
Reserved
15 : 3
Reserved
R/W
PSM_WAIT
2:1
(0 : 0) = 0.4 s, (0 : 1) = 0.8 s, (1 : 0) = 1.6 s, (1 : 1) = 3.2 s
R/W
R/W
01
02
03
04
05
06
FUNCTION / DESCRIPTION
R/W
PSM_EN
0
0 = PSM disabled, 1 = PSM enabled
ALS
15 : 8
MSB 8 bits data of whole ALS 16 bits
R
ALS
7:0
LSB 8 bits data of whole ALS 16 bits
R
WHITE
15 : 8
MSB 8 bits data of whole WHITE 16 bits
R
WHITE
7:0
LSB 8 bits data of whole WHITE 16 bits
R
IF_L
15
Crossing low threshold INT trigger event
R
IF_H
14
Crossing high threshold INT trigger event
R
Reserved
13 : 0
Reserved
R
TABLE 1 - CONFIGURATION REGISTER 00 (HEX)
REGISTER NAME
BIT
Reserved
15 : 13
FUNCTION / DESCRIPTION
Reserved
SENS
12
0 = high sensitivity (1 x), 1 = low sensitivity (1/8 x)
DG
11
0 = normal, 1 = double
GAIN
10
0 = normal sensitivity, 1 = double sensitivity
9:6
ALS integration time setting which represents how long ALS can update the readout value.
1100 = 25 ms
1000 = 50 ms
0000 = 100 ms
0001 = 200 ms
0010 = 400 ms
0011 = 800 ms
ALS_PERS
5:4
ALS interrupt persistence setting. The interrupt pin is triggered while sensor reading is out of
threshold windows after consecutive number of measurement cycle
00 = 1
01 = 2
10 = 4
11 = 8
INT_CHANNEL
3
Selection for which channel the interrupt should trigger
0 = ALS CH interrupt
1 = WHITE CH interrupt
CHANNEL_EN
2
Channel enable function
0 = ALS CH enable only
1 = ALS and WHITE CH enable
INT_EN
1
Interrupt enable setting
0 = INT disable
1 = INT enable
SD
0
Shut down setting
0 = power on
1 = shutdown
ALS_IT (1)
Note
(1) Integration times have a tolerance of ± 30 %
Rev. 1.2, 26-Nov-2019
Document Number: 84889
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TABLE 2 - HIGH THRESHOLD WINDOWS SETTING 01 (HEX)
REGISTER NAME
01
BIT
FUNCTION / DESCRIPTION
15 : 8
High threshold window setting (MSB)
7:0
High threshold window setting (LSB)
Note
• INT function must be enabled to trigger on this high threshold
TABLE 3 - LOW THRESHOLD WINDOWS SETTING 02 (HEX)
REGISTER NAME
02
BIT
FUNCTION / DESCRIPTION
15 : 8
Low threshold window setting (MSB)
7:0
Low threshold window setting (LSB)
Note
• INT function must be enabled to trigger on this low threshold
TABLE 4 - POWER SAFE MODE 03 (HEX)
REGISTER NAME
03
BIT
FUNCTION / DESCRIPTION
15 : 3
Reserved
2:1
PSM_WAIT
(0 : 0) = 0.4 s, (0 : 1) = 0.8 s, (1 : 0) = 1.6 s, (1 : 1) = 3.2 s
0
PSM_EN
0 = PSM disabled, 1 = PSM enabled
Note
• Please refer also to the application note “Designing the VEML6035 Into an Application” (www.vishay.com/doc?84944)
TABLE 5 - ALS HIGH RESOLUTION OUTPUT DATA 04 (HEX)
REGISTER NAME
04
BIT
FUNCTION / DESCRIPTION
15 : 8
MSB 8 bits data of whole 16 bits
7:0
LSB 8 bits data of whole 16 bits
TABLE 6 - WHITE CHANNEL OUTPUT DATA 05 (HEX)
REGISTER NAME
05
BIT
FUNCTION / DESCRIPTION
15 : 8
MSB 8 bits data of whole 16 bits
7:0
LSB 8 bits data of whole 16 bits
TABLE 7 - INTERRUPT STATUS 06 (HEX)
REGISTER NAME
BIT
15
14
High threshold interrupt flag
0 = interrupt not triggered
1 = interrupt occurred
06
Rev. 1.2, 26-Nov-2019
FUNCTION / DESCRIPTION
Low threshold interrupt flag
0 = interrupt not triggered
1 = interrupt occurred
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CALCULATING THE LUX LEVEL
Command code 04 contains the results of the ALS measurement. This 16-bit code needs to be converted to a decimal value to
determine the corresponding lux value. The calculation of the corresponding lux level is dependent on the programmed gain
setting and the chosen integration time.
The component is most sensitive with GAIN = 1, DG = 1, SENS = 0 and an integration time of 800 ms, specified to 0.0004 lx/step.
Every time the integration time is halved, the resolution is halved, the lx/cnt value is doubled.
The same principle is valid for the gain and sensitivity settings. For GAIN = 0 it is doubled and also for DG = 1 it is again doubled.
For SENS = 1 the sensitivity is programmed to just 1/8, to allow for higher illuminations up to about 6.7 klx.
The tables below shows these dependencies:
RESOLUTION AND MAXIMUM DETECTION RANGE AT DG = 1
GAIN = 1,
SENS = 0
IT (ms)
GAIN = 0,
SENS = 0
GAIN = 1,
SENS = 1
GAIN = 0,
SENS = 1
GAIN = 1,
SENS = 0
TYPICAL RESOLUTION (lx/cnt)
GAIN = 0,
SENS = 0
GAIN = 1,
SENS = 1
GAIN = 0,
SENS = 1
MAXIMUM POSSIBLE ILLUMINATION (lx)
800
0.0004
0.0008
0.0032
0.0064
26
52
210
419
400
0.0008
0.0016
0.0064
0.0128
52
105
419
839
200
0.0016
0.0032
0.0128
0.0256
105
210
839
1678
100
0.0032
0.0064
0.0256
0.0512
210
419
1678
3355
50
0.0064
0.0128
0.0512
0.1024
(-) (1)
(-) (1)
(-) (1)
(-) (1)
25
0.0128
0.0256
0.1024
0.2048
(-) (1)
(-) (1)
(-) (1)
(-) (1)
GAIN = 0,
SENS = 0
GAIN = 1,
SENS = 1
GAIN = 0,
SENS = 1
RESOLUTION AND MAXIMUM DETECTION RANGE AT DG = 0
GAIN = 1,
SENS = 0
IT (ms)
GAIN = 0,
SENS = 0
GAIN = 1,
SENS = 1
GAIN = 0,
SENS = 1
GAIN = 1,
SENS = 0
TYPICAL RESOLUTION (lx/cnt)
MAXIMUM POSSIBLE ILLUMINATION (lx)
800
0.0008
0.0016
0.0064
0.0128
52
105
419
839
400
0.0016
0.0032
0.0128
0.0256
105
210
839
1678
200
0.0032
0.0064
0.0256
0.0512
210
419
1678
3355
100
0.0064
0.0128
0.0512
0.1024
419
839
3355
6711
50
0.0128
0.0256
0.1024
0.2048
(-) (1)
(-) (1)
(-) (1)
(-) (1)
0.4096
(1)
(1)
(1)
(-) (1)
25
0.0256
0.0512
0.2048
(-)
(-)
(-)
Note
(1) For integration times lower than 100 ms, the maximum count level is no longer 16 bit so half the integration time no longer leads to double
the max. lux level
Example:
If the 16-bit word of the ALS data shows: 0000 0101 1100 1000 = 1480 (dec.), the programmed GAIN = 1, DG = 1, SENS = 1
and the integration time is 100 ms, the corresponding lux level is: light level [lx] = 1480 x 0.0256 = 37.888 lx.
Rev. 1.2, 26-Nov-2019
Document Number: 84889
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0.4
(0.26)
PACKAGE DIMENSIONS in millimeters
2
1
NC 4
3 INT
SCL 5
2 SDA
VDD 6
1 GND
1
2
Top View Pinning
Recommended Footprint
Pin 1
0.65 (6 x)
0.65
1.8
0.5 (6 x)
0.4
0.15 (4x)
0.4
0.65 (4 x)
0.05
1
2.3
0.75
0.75
Technical drawings
according to DIN
specification
Drawing No.: 6.550-5359.01-4
Issue: 1; 15.03.2019
Rev. 1.2, 26-Nov-2019
Not indicated tolerances ± 0.1
Document Number: 84889
10
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THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
VEML6035
www.vishay.com
Vishay Semiconductors
TAPE AND REEL DIMENSIONS in millimeters
8.4 +2.5
Ø 177.8 max.
Ø 55 min.
8.4 +0.15
Z
14.4 max.
Form of the leave open of the wheel is supplier specific.
Ø20.2 min.
1.5 min.
+0.5
Ø13 -0.2
Z 2:1
Technical drawings
according to DIN
specification.
Drawing-No.: 9.800-5096.01-4
Issue: 5; 20.12.2016
Fig. 12 - 7" Reel, 3000 Pieces
Rev. 1.2, 26-Nov-2019
Document Number: 84889
11
For technical questions, contact: sensorstechsupport@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
VEML6035
www.vishay.com
Vishay Semiconductors
100 min.
330 max.
Y
Label
Z
Form of the leave open
of the wheel is supplier specific.
unreel direction
14.4 max.
8.4 +- 2.5
0
Z(2:1)
Y(1:1)
Ø 20.2 min.
1.5
mi
n.
Ø 13 +- 0.5
0.2
Drawing-No.: 9.800-5140.01-4
Issue: prel. 1; 02.03.2016
Technical drawings
according to DIN
specification.
8.4 +- 0.15
0
Fig. 13 - 13" Reel, 10 000 Pieces
Rev. 1.2, 26-Nov-2019
Document Number: 84889
12
For technical questions, contact: sensorstechsupport@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
VEML6035
www.vishay.com
Vishay Semiconductors
(Ø 1.5)
(Ø 1)
(1.75)
Y
PIN 1
(8)
(3.5)
(4)
(2.3)
(2)
Reel off direction
(4)
Y
Y-Y
(2.3)
(0.25)
(1.25)
technical drawings
according to DIN
specifications
Drawing-No.: 9.700-5397.01-4
Issue: 1; 19.02.16
Fig. 14 - Taping
RECOMMENDED STORAGE AND REBAKING CONDITIONS
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
Storage temperature
5
50
°C
Relative humidity
-
60
%
Open time
-
72
h
From the date code on the aluminized envelope (unopened)
-
6
months
Tape and reel: 60 °C
-
22
h
Tube: 60 °C
-
22
h
Total time
Rebaking
Rev. 1.2, 26-Nov-2019
Document Number: 84889
13
For technical questions, contact: sensorstechsupport@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
VEML6035
www.vishay.com
Vishay Semiconductors
RECOMMENDED INFRARED REFLOW
Soldering conditions which are based on J-STD-020 C
IR REFLOW PROFILE CONDITION
PARAMETER
CONDITIONS
Peak temperature
TEMPERATURE
TIME
255 °C + 0 °C / - 5 °C (max.: 260 °C)
10 s
Preheat temperature range and timing
150 °C to 200 °C
60 s to 180 s
Timing within 5 °C to peak temperature
-
10 s to 30 s
217 °C
60 s to 150 s
-
8 min (max.)
Timing maintained above temperature / time
Timing from 25 °C to peak temperature
Ramp-up rate
3 °C/s (max.)
-
Ramp-down rate
6 °C/s (max.)
-
Temperature (°C)
Recommend Normal Solder Reflow is 235 °C to 255 °C
Max. Temperature
260 °C + 0 °C / - 5 °C/10 s
255
Ramp-Up Rate
3 °C/s (max.)
217
200
150
Ramp-Down Rate
6 °C/s (max.)
Soldering Zone
60 s to 150 s
Ramp-Up Rate
3 °C/s (max.)
Pre-Heating Time
t2 - t1 = 60 s to 180 s
t2
t1
Time (s)
Fig. 15 - VEML6035 Solder Reflow Profile Chart
DRYPACK
DRYING
Devices are packed in moisture barrier bags (MBB) to
prevent the products from moisture absorption during
transportation and storage. Each bag contains a desiccant.
In case of moisture absorption devices should be baked
before soldering. Conditions see J-STD-020 or label.
Devices taped on reel dry using recommended conditions
192 h at 40 °C (+ 5 °C), RH < 5 %.
FLOOR LIFE
Floor life (time between soldering and removing from MBB)
must not exceed the time indicated on MBB label:
Floor life: 168 h
Conditions: Tamb < 30 °C, RH < 60 %
Moisture sensitivity level 3, according to J-STD-020.
Rev. 1.2, 26-Nov-2019
Document Number: 84889
14
For technical questions, contact: sensorstechsupport@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of
typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding
statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a
particular product with the properties described in the product specification is suitable for use in a particular application.
Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over
time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk.
Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for
such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document
or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
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Revision: 01-Jan-2021
1
Document Number: 91000
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