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TMF8801

Functional Description

Datasheet

• PUBLIC

DS000648

• v10-00 • 2022-Dec-20

│ 15

7.4

Power Consumption

All current consumption values include silicon process variation. Temperature and voltages are at

nominal conditions (23 ºC and 2.8 V).

Figure 14:

Power Consumption

Parameter

Condition

Min

Nom

Max

Units

Comment

I_VDD Powerdown

Enable Pin

Low I²C Off

0.02

0.26

µA

State:

Powerdown

I_VDD Standby CPU

Off, RAM On OSC Off,

pon=0

I²C Wakeup Only

µA

State:

Standby

I_VDD Wait CPU Off,

RAM On, OSC On

5 MHz I²C On, Timer

Wakeup

140

µA

State:

Wait

I_VDD Ranging

Processing CPU

Running at 80 MHz No

VCSEL,

No TDC

2.7

State:

Histogram

processing

I_VDD Ranging Active

CPU stopped

VCSEL_clk_div2=0

(default), TDCs running

32.5

State:

Ranging active

I_VDD Ranging Active

CPU stopped

VCSEL_clk_div2=1,

TDCs running

25.2

State:

Ranging active

I_VDD Ranging

Average power

consumption

30 Hz,33 ms

default

settings(1)

1 Hz, Ranging

period =

1000 ms

0.23

Firmware 3.0.19.0

or higher,

80 k iterations,

cmd_data6 = 0x23

(algorithm setting

for command 0x02

or 0x03)

0.5 Hz,

Ranging

period =

2000 ms

0.17

Peak VCSEL Current

230

Max VCSEL Duty Cycle

(1)

Current is reduced to typ. 17.7 mA if iteration is set to 600 k instead of 900 k and output data rate is maintained at 30 Hz

by setting repetition_period = 33 [ms].

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