TPIC1021A-Q1 Datasheet, PDF (16/20 Pages) Texas Instruments – LIN PHYSICAL INTERFACE

TPIC1021A-Q1
SLIS117A – AUGUST 2007 – REVISED JUNE 2009.......................................................................................................................................................... www.ti.com
Device Comparison: TPIC1021 vs TPIC1021A
The TPIC1021A is pin-to-pin compatible to the TPIC1021 device. The TPIC1021A is an enhanced LIN
transceiver, including enhanced immunity to RF disturbances. Table 2 is a summary of the differences between
the two devices.
SPECIFICATION
LIN termination
LIN receiver
LIN leakage current
(unpowered device):
7 V < LIN < 12 V, V_SUP = GND
LIN bus wake-up
Low-power current
INH pin
Table 2. TPIC1021A vs TPIC1021 Differences
TPIC1021A
Weak current pullup in sleep mode
Enhanced high-speed receive capable
TPIC1021
High Ω in low-power mode
High-speed receive capable
<5 µA at 12 V (max)
<10 µA at 12 V (typ)
Remote wake-up via recessive-to-dominant
transition on LIN bus where dominant bus state
is held for at least t_LINBUS time followed by a
transition back to the recessive state
<30 µA at 12 V (max)
Enhanced driving of bus master termination via
lower R_on
Remote wake-up via recessive-to-dominant
transition on LIN bus where dominant bus state
is held for at least t_LINBUS time
<50 µA at 14 V (max)
Driving of bus master termination
16
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