Part Data Review and Validation

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Set and verified pin types for all 49 MAX77962EWJ12+T terminals.
Summary:
  • Power inputs: CHGIN_*, BST1, BST2
  • Power outputs: SYS_*, BATT_*, PVL, AVL
  • Grounds: GND_*, PGND_*
  • Switching nodes: LX1_*, LX2_* as Passive
  • I2C/control/sense pins: set to Input, Bi-Directional, or Open Collector as appropriate
  • Added concise Pin Description metadata to every pin
One naming issue remains from the prior review: DISQB_AT appears to represent datasheet pin DISQBAT; I left the designator unchanged and noted that in its pin description.
adrian95

adrian95

Fix DISQB_AT to match the datasheet pin name DISQBAT.

flux

I’ll rename the existing terminal from DISQB_AT to the datasheet pin name DISQBAT, then verify the symbol metadata still maps it to bump G2.

flux

Renamed DISQB_AT to DISQBAT to match the datasheet.
Verified the terminal still has:
  • Pin Number: G2
  • Pin Type: Input
  • Pin Description: DISQBAT battery-discharge control input.
Check DISQBAT
Find pin mismatches
Review terminal names
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MAX77962EWJ12+T

MAX77962EWJ12+T thumbnail
Charger IC Lithium Ion 49-WLP (3.46x3.46)
The MAX77962 is a high-performance wide-input 3.2A buck-boost charger with a Smart Power Selector™ and operates as a reverse buck without an additional inductor, allowing the IC to power USB On-the-Go (OTG) accessories. The device integrates low-loss power switches, and provides small solution size, high efficiency, low heat, and fast battery charging. The reverse buck has true-load disconnect and is protected by an adjustable output current limit. The device is highly flexible and programmable through I2C configuration or autonomously through resistor configuration. The battery charger includes a Smart Power Selector to accommodate a wide range of battery sizes and system loads. The Smart Power Selector allows the system to start up gracefully when an input source is available even when the battery is deeply discharged (dead battery) or missing. For battery safety/authentication reasons, the IC can be configured to keep charging disabled, and allow the DC-DC to switch and regulate the SYS voltage. The system processor can later enable charging using the appropriate I2C commands. Alternatively, the IC can be configured to automatically start charging.
● 3.5V to 23V Input Operating Range, 30VDC Withstand Voltage ● 97% Peak Efficiency at 9VIN/7.4VOUT/1.5AOUT ● Reverse Leakage Protection ● 50mA to 3.15A Programmable Input Current Limit ● 50mA to 3.2A Programmable Constant Current Charge ● Remote Differential Voltage Sensing ● 600kHz or 1.2MHz Switching Frequency Options ● System Instant On with Smart Power Selector PowerPath ● Charge Safety Timer ● Die Temperature Regulation with Thermal Foldback Loop ● Input Power Management with Adaptive Input Current Limit (AICL) and Input Voltage Regulation ● 10mΩ BATT to SYS Switch, Up to 10A Overcurrent Threshold ● Reverse Buck Mode 5.1V/1.5A to Support USB OTG ● JEITA Compliant with NTC Thermistor Monitor ● I 2C or Resistor Programmable ● 3.458mm x 3.458mm 49-Bump WLP
#CommonPartsLibrary #IntegratedCircuit #PowerManagement #MAX77962

Properties

49-Bump WLP / WLCSP, 3.458 mm x 3.458 mm

MAX77962EWJ12+T

Analog Devices / Maxim Integrated

Connectors

analog.com/media/en/technical-documentation/data-sheets/max77962.pdf

IC

creativecommons.org/licenses/by/4.0/

parametric-v1

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