19-5872; Rev 0; 6/11
E V A L U A T I O N K I T A V A I L A B L E
MAX17710
Energy-Harvesting Charger and Protector
General Description
Features
The MAX17710 is a complete system for charging and
protecting micropower-storage cells such as Infinite Power
Solution’s THINERGY® microenergy cells (MECs). The IC
can manage poorly regulated sources such as energy-
harvesting devices with output levels ranging from 1FW to
100mW. The device also includes a boost regulator circuit
for charging the cell from a source as low as 0.75V (typ).
An internal regulator protects the cell from overcharging.
S Integrated Power-Management IC for Energy
Storage and Load Management
S Lithium Charger
1nA Standby I
QBATT
625nA Linear Charging
1µW Boost Charging
S Lithium Cell Undervoltage Protection
S Charger Overvoltage Shunt Protection
Output voltages supplied to the target applications are
regulated using a low-dropout (LDO) linear regulator with
selectable voltages of 3.3V, 2.3V, or 1.8V. The output regu-
lator operates in a selectable low-power or ultra-low-power
mode to minimize drain of the cell. Internal voltage protec-
tion prevents the cell from overdischarging.
S 1.8V, 2.3V, or 3.3V LDO (150nA I
)
QBATT
S Lithium Cell Output Buffering
S Ultra-Thin, 3mm x 3mm x 0.5mm UTDFN Package
The device is available in an ultra-thin, 3mm x 3mm x
0.5mm 12-pin UTDFN package.
Ordering Information appears at end of data sheet.
Applications
Powered/Smart Cards
Medical Devices
For related parts and recommended products to use with this part,
refer to: www.maxim-ic.com/MAX17710.related
Remote Wireless
Sensors
High-Temperature
Applications
Memory and Real-Time
Clock Backup
Military/DoD and
Aerospace
Semiactive RFID Tags
Toys
Simplified Operating Circuit
UNREGULATED
OUTPUT
THINERGY
MEC101
PCKP
BATT
SEL2
CHG
RF OR OTHER
REGULATED
OUTPUT
HIGH-VOLTAGE
SOURCE
REG
MAX17710
TEG, SOLAR,
OR OTHER
LX
LOW-VOLTAGE
SOURCE
LDO
AE
FB
EP
CONTROL
LCE
SIGNALS
GND
PGND SEL1
THINERGY is a registered trademark of Infinite Power Solutions, Inc.
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1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.