AS1163 datasheet(28/91 Pages) AMSOSRAM

28 / 91 page

AS1163

Functional description

Datasheet • PUBLIC • Document Feedback

DS001075 • v2-00 • 2025-Nov-21

28 / 91

6.4.1.2

Temperature sensor

The temperature sensor relies on the 8 least significant bits of the 10-bit reading from the ADC,

that measures an internally generated PTAT voltage.

The temperature value is obtained as follows, where TEMPVALUE is obtained via READTEMP

(or READTEMPSTAT):

T(C) = (TEMPVALUE – 116) / 0.85 + 25

The overtemperature flag is set when the actual measurement is larger than

OT_HIGH_VALUE.

Before the flag is set, an error counter is incremented and compared with a threshold. The

OT_CYCLE register defines this threshold.

A similar down-counting is performed before setting the overtemperature flag to zero, when the

temperature measurement is lower than OT_LOW_VALUE.

Table 7: Overtemperature cycle counter mechanism

OT_CYCLE<1:0>

Low pass filter cycle length (number of consecutive measurements)

2’b00

1 cycle

2’b01

2 cycles

2’b10

3 cycles

2’b11

4 cycles

6.5

Serial I/O interface (SIO)

SAID is compatible with the OSP protocol. This section provides an introduction, while an in-

depth description of the protocol is left to the supporting OSP documentation.

New features from the OSP protocol are supported by SAID, such as:

•

Multi-cast commands

•

SW, HW sync

•

Power-rail-info-feedback serial broadcast message

•

Parallel addressing with dedicated OTP fuse and external programming

•

I²C bridge

AS1163 Datasheet(PDF) 28 Page - ams-OSRAM AG

AS1163 Datasheet(HTML) 28 Page - ams-OSRAM AG

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91

Datasheet Descarga

Enlace URL