BQ500110_11 Datasheet, PDF (11/25 Pages) Texas Instruments – Qi Compliant Wireless Power Transmitter Manager

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LED
Control
Option
I/O
Supervisory
Register
Recommended
LED
Colors
Initialization
26
LED1
Red
ON
16
LED2
Green
ON
17
LED3
Red (Pilot)
ON
0
n/a
n/a
Pilot (Blue)
x
Table 2. LED Modes
Operational States
Uses Operating Blink Rate
PLD Blink
Uses Fault Blink Rate
Standby
Power
Xfer
Charged
PLD
Fault
Dev
Fault
Sys
Fault
NVM
Fault
ON
OFF
OFF
ON
ON
ON
ON
ON
Blink
ON
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
ON
ON
x
x
x
x
x
x
x
17
LED1
16
LED2
1
26
LED3
n/a
n/a
17
LED1
16
LED2
26
LED3
n/a
n/a
2
x
x
x
Pilot (Blue)
Green
not used
not used
Pilot (Blue)
x
x
x
ON
OFF
OFF
OFF
ON
x
x
x
ON
OFF
OFF
OFF
ON
x
x
x
ON
ON
OFF
OFF
ON
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
ON
ON
ON
ON
ON
Blink
OFF
OFF
ON
Blink
OFF
OFF
ON
Blink
OFF
OFF
ON
Blink
OFF
OFF
ON
Blink
OFF
OFF
ON
17
LED1
16
LED2
26
LED3
n/a
n/a
3
Red
Green
not used
Pilot (Blue)
OFF
OFF
OFF
ON
OFF
OFF
OFF
ON
ON
ON
OFF
ON
OFF
ON
OFF
ON
ON
OFF
OFF
ON
ON
OFF
OFF
ON
ON
OFF
OFF
ON
Blink
Blink
OFF
ON
17
LED1
16
LED2
4
26
LED3
n/a
n/a
Red
Green
not used
Pilot (Blue)
ON
ON
OFF
ON
ON
ON
OFF
ON
OFF
Blink
OFF
ON
OFF
ON
OFF
ON
ON
OFF
OFF
ON
ON
OFF
OFF
ON
ON
OFF
OFF
ON
ON
OFF
OFF
ON
bq500110
SLUSAE0A – NOVEMBER 2010 – REVISED APRIL 2011
Diag
LED
On
ON
ON
ON
x
x
x
x
ON
ON
OFF
OFF
ON
ON
ON
OFF
ON
ON
ON
OFF
ON
Diag
LED
Off
OFF
OFF
ON
x
x
x
x
ON
OFF
OFF
OFF
ON
OFF
OFF
OFF
ON
OFF
OFF
OFF
ON
Fault
Blink
Period
(ON time
+ OFF
time) (ms)
PLD Blink
Period
(ON time
+ OFF
time) (ms)
Operating
Blink
Period
(ON time
+ OFF
time) (ms)
Initialization
Delay
(holds LED
state at Init)
Remarks
Reserved for
support of
"legacy"
hardware,
200
200
2000
1000
uses NVM to
define LED
activity.
NOTE: Uses
active HIGH
LED drive!
x
x
x
Reserved for
future
custom
x
implementati
ons, LED
activity
defined by
NVM.
200
200
2000
Simplest,
generic
single LED
indication
scheme that
signals
Power Xfer
0
and End of
Charge.
Optional Pilot
Power
indicator is of
any color
other than
Green
200
200
N/A
Simplest,
generic dual
LED
indication
scheme that
signals
Power Xfer
0
and End of
Charge.
Optional Pilot
Power
indicator is of
any color
other than
Green and
Red.
200
200
2000
0
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