Re: [PATCH 2/2] hwmon: (pmbus/max20830) Add support for MAX20810, MAX20815, LTM4739, LTM4740

[Guenter Roeck]

Hi,

On 10/25/26 22:02, Carlos Jones Jr wrote:
> Add support for additional members of the MAX20830 family:
> - MAX20810: 2.7V-16V input, up to 10A output
> - MAX20815: 2.7V-16V input, up to 15A output
> - LTM4739:  3V-15V input, up to 10A output
> - LTM4740:  3V-15V input, up to 15A output
>
> The LTM4739 and LTM4740 are the LTM-series equivalents of the MAX20810
> and MAX20815 respectively. All share the MAX20830 PMBus command set and
> telemetry, so no new register handling is required; they are accepted by
> matching their IC_DEVICE_ID.
>
> The LTM4739 and LTM4740 are uModules built around the MAX20810/MAX20815
> dies and therefore report the die's IC_DEVICE_ID by design: "MAX20810B"
> and "MAX20815B" respectively. Match on those identifiers rather than on
> the module part names.

According to the datasheets, MAX20810 reports "MAX20810", and MAX20815 reports
"MAX20815". I find no reference to the "B" variants on the Analog Web page.

LTM4739, according to its datasheet, reports "LTM4739”, and LTM4740 reports
"LTM4740".

Please explain the discrepancy.

Thanks,
Guenter