AS39513
NFC Sensor Tag and Data Logger IC
General Description
The AS39513 is a semi-passive tag chip optimized for
battery-powered smart labels with sensor functionality. The
chip is ideal for applications using thin and flexible batteries
but it also supports fully passive operation without a battery
using the RF field from an RFID reader as a power source.
The RFID interface is fully ISO 15693 and NFC-V (T5T) compliant.
External power can be supplied from a single-cell battery
(typically 1.5 V) or a dual-cell battery (typically 3 V).
The chip has a fully integrated temperature sensor with a
programmable temperature range (default -20ºC to 55ºC). The
external sensor interface (S
EXT
) is an analog input and allows
the connection of an external sensor.
A real-time clock can be used to generate logging times and
track the device lifetime. An SPI-like interface is available for
chip initialization or communication with a microcontroller. The
chip has the capability to energy harvesting from reader field
up to 3mA.
Configuration and logging data is stored on a configurable
9-kbit EEPROM.
Ordering Information
and
Content Guide
appear at end of
datasheet.
Key Benefits & Features
The benefits and features of this device are listed below:
Figure 1:
Added Value of Using AS39513
Benefits
•
Versatile data logging with selectable option
•
Logging storage capacity up to 1020 events
(8-bit logging mode) with time stamp
•
Supports data logging from various sensors
Features
•
Programmable logging modes
•
On-chip 9-kbit EEPROM
•
Real-time clock (RTC)
•
On-chip temperature sensor
•
Analog input for external resistive sensor
•
Default range: -20ºC to 55ºC
(±0.5ºC over -20ºC to 10ºC, gold bumped die)
•
Temperature range is programmable
•
Fully passive mode: no battery
•
Semi-passive (BAP) mode: 1.5V or 3V battery
•
Energy harvesting from reader field up to 3mA
•
On-chip temperature sensor
•
Flexible supply options
(1)
•
Provides supply for external circuitry
ams Datasheet
[v1-00] 2017-Dec-06
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AS39513 −
General Description
Benefits
•
Autonomous data logging with long battery
life of ~1 year (with 30mAh printed battery)
•
Works with NFC-enabled phones and HF
readers
•
Precludes manipulation and unauthorized
usage of data
•
Flexible range of packages for inlay and PCB
surface mount assembly
Features
•
Standby current (RTC enabled): 2.14μA
TYP
(@ 3.0V)
•
Operating current (logging, 16ms): 166μA
TYP
(@ 3.0V)
•
ISO 15693/NFC-V (T5T) compliant
•
Cool-Log™ commands for logging functions
•
EEPROM access from reader perpetual protected by
password
•
Gold bumped die 2403μm x 2313μm
•
Thin WL-CSP 5x5 bumps @ 0.4mm pitch
2403μm x 2313μm, 316μm typ thick
Note(s):
1. After battery is exhausted, the chip will continue working in passive mode (no RTC).
Applications
The AS39513 applications include:
•
Cold Chain: Monitoring and tracking of
temperature-sensitive products
•
Temperature monitoring of medical products
•
Pharmaceutical logistics
•
Monitoring of fragile goods transportation
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ams Datasheet
[v1-00] 2017-Dec-06
AS39513 −
General Description
Block Diagram
The functional blocks of this device are shown below:
Figure 2:
Functional Blocks of AS39513
Single cell (1.5V)/
or Dual cell (3V)
VEXT
VBAT
Temperature
Sensor
Power
Management
ANT1
C
T
13.56MHz
ANT2
External
Sensor
10-Bit
ADC
SEXT
13.56 MHz
AFE
Real-Time
Clock
1024Hz
ISO 15693
State
Machine
Main Controller
SPI
Slave
CE
DIN
DOUT
ATEST
Test
9 Kb
EEPROM
SCLK
VSS
EPTEST
ams Datasheet
[v1-00] 2017-Dec-06
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AS39513 −
Pin and Pad Layout
Pin and Pad Layout
The AS39513 can be shipped as bare die with gold bumps or as
thin WL-CSP.
When packaged as a bare die, the pad arrangement is as
depicted below (measures are reported in μm).
Figure 3:
Bare Die with Gold Bumps Pinout
X = 1180.6, Y = 2143.4
X = 168.1, Y = 2143.4
X = 676.6, Y = 2143.4
IC: X = 2358.0, Y = 2268.0
VSS
X = 2232.5, Y = 2135.7
SEXT
DOUT
X = 125.6, Y = 1640.2
VBAT
SCLK
DIN
X = 2233.4, Y = 1598.6
X = 124.7, Y = 1139.8
ATEST
AS39513
X = 124.7, Y = 501.7
EPTEST
VEXT
ANT1
ANT2
X = 1729.8, Y = 109.7
X = 463.3, Y = 126.2
Note(s):
1. Bondpad spacing is ≥ 400μm
Figure 4:
Thin WL-CSP
Pin A1
indicator
1
2
VSS_test
3
SCLK
4
DOUT
X = 2242.4, Y = 124.7
X = 990.7, Y = 126.2
CE
5
SEXT
A
B
C
VSS_test
VSS_test
VSS
VSS
VSS
VBAT
DIN
VSS
VSS
VSS
ATEST
D
E
VSS
VSS
VSS
VSS
VEXT
CE
EPTEST
DeviceNr
ANT2
VSS
ANT1
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ams Datasheet
[v1-00] 2017-Dec-06
AS39513 −
Pin and Pad Layout
Pin Description
Figure 5:
Pin Description of AS39513 in WL-CSP
Pin
A1
A2
A3
A4
A5
B1
B2
B3
B4
B5
C1
C2
C3
C4
C5
Pin Name
VSS_test
VSS_test
SCLK
DOUT
SEXT
VSS_test
VSS
VSS
VSS
VBAT
DIN
VSS
VSS
VSS
ATEST
Pin Type
S
S
I
O
I
S
S
S
S
S
I
S
S
S
O
Description
Negative supply and ground.
Negative supply and ground.
SPI CLK input
Digital data output.
Analog input for external sensor.
Negative supply and ground.
Negative supply and ground.
Negative supply and ground.
Negative supply and ground.
Battery input.
Digital data input.
Negative supply and ground.
Negative supply and ground.
Negative supply and ground.
Analog test output.
ams Datasheet
[v1-00] 2017-Dec-06
Page 5
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