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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX20310 Datasheet

Ultra-Low Quiescent Current PMIC

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MAX20310
Ultra-Low Quiescent Current PMIC with
SIMO Buck-Boost for Wearable Applications
General Description
The MAX20310 is a compact power management
integrated circuit (PMIC) for space-constrained, battery-
powered applications where size and efficiency are critical.
The device combines two single inductor, multiple output
(SIMO) buck-boosted outputs with two LDOs and other sys-
tem power management features like a push-button monitor
and sequencing controller.
The device includes a SIMO buck-boost switching regula-
tor that provides two programmable voltage rails using
a single inductor, minimizing solution footprint. The
MAX20310 operates with battery voltages down to 0.7V
for use with Zinc Air, Silver Oxide, or Alkaline batteries.
The architecture allows for output voltages above or
below the battery voltage.
Additionally, the MAX20310 has two programmable low-
dropout (LDO) linear regulators. The linear regulators can
also operate as power switches that can disconnect the
quiescent load of system peripherals.
The MAX20310 includes a programmable power
controller that allows the device to be configured for
use in applications that require a true off state or for
always-on applications. This controller provides a delayed
reset signal, voltage sequencing, and customized button
timing for on/off control and recovery hard reset.
The device also features a multiplexer for monitoring the
power inputs and outputs of each function. The MAX20310
is available in a 16-bump 0.4mm pitch 1.63mm x 1.63mm
wafer-level package (WLP) and operates over the -40°C
to +85°C extended temperature range.
Typical Operating Circuit
CAP
LX
GND
BATN
MAX20310
BB1OUT
SIMO
BUCK-
BOOST
LDO L1OUT
BB2OUT
LDO L2OUT
+1.8V +1.5V +1.2V +1.2V
VIO VAN VDD VSW
KIN KOUT
MPC MPO
SCL
CONTROL
MON
SDA RST
Benefits and Features
● Extend System Battery Use Time
• Single Inductor, Multiple Output (SIMO) Ultra-Low
IQ Buck-Boost Regulator
• Battery Input Voltage from 0.7V to 2.0V
• Output Voltage Programmable From 0.9V
to 4.05V
• 250mW Maximum Total Input Power
• Incremental CAP Quiescent Current 1μA per
channel
84% Efficiency for 1.8V, 10mA Output
• Input Current Limited
• Dual Ultra-Low IQ 50mA LDO
• Inputs Supplied by Dual Buck-Boost Outputs
• Output Programmable from 0.5V to 3.65V
• Quiescent Current 1.1µA per LDO / 600nA per
Load Switch
Configurable as Load Switch
● Extend Product Shelf-Life
• Battery Seal Mode
• 10nA Battery Current (typ)
● Minimize Board Area
• 1.63mm x 1.63mm WLP
● Easy-to-Implement System Control
• Voltage Monitor Multiplexer
• 1% Accurate Battery Inverter (±10mV at 1.0V)
• Power Button Monitor
Buffered Output
• Power Sequencing
• Reset Output
• I2C Control Interface
Applications
● Wearable Medical Devices
● Wearable Fitness Devices
● Portable Medical Devices
Ordering Information appears at end of data sheet.
19-8611; Rev 2; 3/18


Maxim Integrated Semiconductor Electronic Components Datasheet

MAX20310 Datasheet

Ultra-Low Quiescent Current PMIC

No Preview Available !

MAX20310
Ultra-Low Quiescent Current PMIC with
SIMO Buck-Boost for Wearable Applications
Absolute Maximum Ratings
(Voltages reference to GND unless otherwise noted)
CAP, BB1OUT, BB2OUT, L1OUT, L2OUT
MPC, SDA, SCL, RST, KOUT to GND, BATN.....-0.3V to +6V
KIN............................................ (BATN – 0.3V) to (GND + 0.3V)
LX to BATN...............................................................-0.3V to +6V
MPO, MON to BATIN...............................................-0.3V to +6V
GND to BATN........................................................-0.3V to +2.2V
Continuous Current into LX, BATN.....................................+0.5A
Continuous Current into any other terminal....................±100mA
Continuous Power Dissipation (TA = +70°C):
16-bump WLP 1.65mm x 1.65mm 0.4mm Pitch
(derate 17.4mW/°C above +70°C)...............................957mW
Operating Temperature Range............................ -40°C to +85°C
Junction Temperature.......................................................+150°C
Storage Temperature Range............................. -65°C to +150°C
Soldering Temperature (reflow)........................................+260°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only; functional operation of the device at these or any
other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device
reliability.
Package Information
PACKAGE TYPE: 16 WLP
Package Code
W161F1+1
Outline Number
21-0491
Land Pattern Number
Refer to Application Note 1891
THERMAL RESISTANCE, FOUR-LAYER BOARD
Junction to Ambient (θJA)
58°C/W
For the latest package outline information and land patterns (footprints), go to www.maximintegrated.com/packages. Note that a “+”,
“#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing
pertains to the package regardless of RoHS status.
Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board.
For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial.
www.maximintegrated.com
Maxim Integrated 2


Part Number MAX20310
Description Ultra-Low Quiescent Current PMIC
Maker Maxim Integrated
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MAX20310 Datasheet PDF






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