ES9039MSPRO datasheet(92/95 Pages) ESS

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ES9039MPRO & ES9039PRO Product Brief

CONFIDENTIAL ADVANCE INFORMATION 0.2.1

ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM

RPC-1 Classification reflow profile

Profile Feature

Pb-Free Assembly

Preheat/Soak

Temperature Min (Tsmin)

Temperature Max (Tsmax)

Time (ts) from (Tsmin to Tsmax)

150°C

200°C

60-120 seconds

Ramp-up rate (TL to Tp)

3°C / second maximum

Liquidous temperature (TL)

Time (tL) maintained above TL

217°C

60-150 seconds

Peak package body temperature (Tp)

For users Tp must not exceed the classification temp in Table RPC-

For suppliers Tp must equal or exceed the Classification temp in

Table RPC-2.

Time (tp)* within 5°C of the specified classification temperature (Tc)

30* seconds

Ramp-down rate (Tp to TL)

6°C / second maximum

Time 25°C to peak temperature

8 minutes maximum

* Tolerance for peak profile temperature (Tp) is defined as a supplier minimum and a user maximum.

Table 10 – RPC-1 Classification reflow profile

All temperatures refer to the center of the package, measured on the package body surface that is facing up during assembly reflow (e.g., live-bug).

If parts are reflowed in other than the normal live-bug assembly reflow orientation (i.e., dead-bug), Tp shall be within ±2°C of the live-bug Tp and still

meet the Tc requirements, otherwise, the profile shall be adjusted to achieve the latter. To accurately measure actual peak package body

temperatures, refer to JEP140 for recommended thermocouple use.

Reflow profiles in this document are for classification/preconditioning and are not meant to specify board assembly profiles. Actual board assembly

profiles should be developed based on specific process needs and board designs and should not exceed the parameters in Table RPC-1.

For example, if Tc is 260°C and time tp is 30 seconds, this means the following for the supplier and the user.

For a supplier: The peak temperature must be at least 260°C. The time above 255°C must be at least 30 seconds.

For a user: The peak temperature must not exceed 260°C. The time above 255°C must not exceed 30 seconds.

All components in the test load shall meet the classification profile requirements.

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